What this means: Identifying the location of places, understanding how places are connected and how human activity affects them. • Compare places in the United States as they existed before 1877with the same places today to examine changes in land use and various characteristics.
• Analyze how traits of the environment influenced where people settled and the economic activities in the United States in the 18th and 19th centuries.
What this means: Understanding how to make decisions in our economic system. • Explain how the uneven distribution of resources influenced historical events such as the Civil War.
• Explain the purpose and effects of trade barriers.
Check your understanding: Trade Barriers
Trade barriers: Prevent foreign products from entering a country. Trade barriers limit supply and increase prices. They may be used to protect jobs or give new industries a chance to develop. Some trade barriers are used to protect industries that would be important for national security.
• Explain how the lack of power to regulate the economy contributed to the end of the Articles of Confederation and the creation of the U.S. Constitution.