Notes, summaries, assignments, exams, and problems for Geography

The Industrial Revolution: A Transformative Era

The Industrial Revolution began in England and spread to the rest of Western Europe and the United States. This profound period was driven by advancements not only in technology but also in medicine and science. These advancements—technology, medicine, and science—fundamentally altered the lives of people living in the new industrial cities.

Origins in England: Why It Started There

It commenced in England around 1750 for several key reasons:

• By this year, England was a wealthy nation compared to others.
• England possessed a stable government.
• The nation was rich in natural resources such as iron, coal, and rivers.
• It benefited from products originated in its colonies.
• There was a huge enthusiasm for

Global Issues: Understanding World Challenges

Uncountable Global Issues

• Overpopulation (Sobrepoblación)

  The condition of being populated with an excessively large number of individuals.

• Urbanization (Urbanización)

  The process of making an area more urban.

• Trade (Comercio)

  The action of buying and selling goods and services.

• Terrorism (Terrorismo)

  The unlawful use of violence and intimidation, especially against civilians, in the pursuit of political aims.

• Corruption (Corrupción)

  Dishonest or fraudulent conduct by those in power, typically involving bribery.

• Racism (Racismo)

  Prejudice, discrimination, or antagonism directed against someone of a different race based on the belief that one's own race is superior.

• Global Warming (Calentamiento Global)

  A gradual

Advantages and Disadvantages of Agricultural Enclosures within Vijayanagara City

Enclosing agricultural land within the fortified area of the Vijayanagara empire offered both advantages and disadvantages:

Advantages:

• Protected agricultural land from enemy attacks and wild animals.
• Allowed for the storage of large quantities of grain in granaries within fortified areas, ensuring food security during sieges.

Disadvantages:

• Increased the cost and complexity of defending the city.
• Made it more difficult for farmers to access their fields during times of peace.

Significance of the Rituals Associated with the Mahanavami Dibba

The Mahanavami dibba, a massive platform located on one of the highest points in Vijayanagara, was the site of important rituals during... Continue reading "Vijayanagara Empire: Agricultural Enclosures, Mahanavami Dibba Rituals, and Ordinary Life" »

The High Middle Ages: Economic and Social Growth

The High Middle Ages saw significant growth across several sectors:

• Economy: Agricultural improvements led to increased food production and population growth.
• Society and Government: Cities became completely free of feudal lords, fostering independence.
• Culture: The first universities were established, and magnificent cathedrals were built.

Agricultural Innovations

Key improvements in agriculture included:

• The implementation of the three-field crop rotation system, increasing the area of land available for cultivation.
• The introduction of new crops thanks to irrigation techniques.
• The widespread use of windmills and watermills, which significantly reduced the need for manual labor.

Trade Routes and Early

European Exploration in the Early Modern Period

During the early modern period, European expeditions explored many new parts of the world. At the beginning of the 15th century, Europeans had limited geographical knowledge. They were very familiar with all of Europe. They also knew about India, China, and Japan because travelers and merchants like Marco Polo brought silk, spices, and other products back from Asia. Silk and spices were highly appreciated in medieval Europe. The merchants carried them along the Silk Road. In 1453, the Turks conquered Constantinople and occupied the Byzantine Empire.

Cartography

Portolan charts were nautical charts showing coasts, sea routes, and possible obstacles.

Navigational Instruments

Compass was probably brought... Continue reading "Exploration and Trade in the Early Modern Period" »

A Mixed Legacy

Not all communities replicated the racial tensions of Levittown. Quaker-built Concord Park in Pennsylvania, for example, was built under the motto "Democracy in Housing" and embraced diverse residents. In 1962, President John F. Kennedy issued an Executive Order prohibiting racial discrimination in federally assisted housing developments. This was a crucial step, but the fight for integration continued house by house, street by street.

The Levittown Image

Following Levittown's success on Long Island, Levitt and Sons built two more, in Pennsylvania and New Jersey. The uniform houses and immaculate lawns of Levittown created a lasting impression, conjuring images of peaceful, wholesome suburban life.

Challenges and Contradictions

However,... Continue reading "Levittown and the Rise of the American Suburbs" »

Dual-Use Technology

Technology that might be used normally for civilian purposes but can also apply to military applications. An example of dual-use technology is nuclear power. Uranium enrichment process can have two applications: Electricity and Weapons. Thirty countries use nuclear power for electricity, operating 460 commercial nuclear power plants, supplying 14% of the world’s electricity; and 56 countries operate 250 research reactors. The problem is that the material produced by commercial nuclear reactors (Plutonium) can explode; therefore, some countries use it for military purposes, as a threat for other nations such as North Korea. An example would be missiles, which were used for military aggression during the Cold War but also... Continue reading "Dual-Use Tech, Nuclear Treaties, and Global Economic & Political Concepts" »

Erosion, Transport, and Sedimentation

Erosion: The process that wears out rocks on the surface with the help of ice, water, and humans. Plateaus are high plains resulting from the erosion process.

Transport: The movement of eroded materials.

Sedimentation: The deposition of materials in another location.

Landforms

Mountains and Valleys

Mountains: Elevated landforms with significant relief.

Mountain Ridges: Linear chains of connected mountain peaks.

Valleys: Elongated areas of low land between mountains.

Basins and Plains

Basin: Depressed areas where a river and its tributaries flow.

Plains: Areas of flat land with an elevation below 300m, often found near the coast or in river basins.

Plateaus and Depressions

Plateaus: High, raised areas of flat land.

Depressions:

Why Are Services Important?

The tertiary or service sector of the economy consists of all activities that do not directly produce tangible goods but provide services to satisfy people's wants and needs. These include the work of teachers, doctors, bus drivers, and hairdressers. Developed countries have experienced a tertiarization that has increased the importance of this sector within total domestic production (GDP) and employment. It is now the dominant business sector, providing about 70% of wealth and employment in developed countries.

Why Is Outsourcing Occurring?

For some services, such as call centers or certain IT services, the location of the provider is unimportant. As a result, companies often relocate these services to countries where... Continue reading "The Economic Impact of Tertiary Services and Transport Networks" »

Sustainability

• Definition: Sustainability is the use and management of resources that allows for the full natural replacement of exploited resources and the recovery of ecosystems affected by their extraction.
• All living things depend either directly or indirectly on Earth's resources.
• Importance of Sustainability: Economies may have different views of sustainability (e.g., a sustainable laptop).
• Environmental Perspectives: Key points include:
  • Earth's resources are limited; they require time to be replenished.
  • Resources should be used at a rate that prevents exhaustion.
  • Sustainability involves not being harmful to the environment and maintaining a stable condition.

Sustainable Development

• The original definition originated from the 1992 Rio de Janeiro