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a mountain ridge that separates river systems flowing toward opposite sides of a continent
standard of living
a measure of quality of life based on the amounts and kinds of goods and services a person can buy
any fuel formed in the earth from the fossilized remains of prehistoric life; coal, oil, natural gas
A railroad worker in rural Minnesota. A successful and creative figure in the mail-order business who began by selling jewelry
idea that people should succeed through their own efforts. They should take care of themselves and their families, rather than depend on the government for bail out.
An economic system in which people are able to start and run their own businesses with little control by the government.
a major population center made up of a large city and the smaller suburbs and towns that surround it
he led New Yorkers in digging the Erie Canal, linking the Great Lakes with the Hudson River.
an American inventor who developed the cotton gin. Also contributed to the concept of interchangeable parts that were exactly alike and easily assembled or exchanged (mass production).
Ring of Fire
a circle around the Pacific Ocean where the majority of Earth's volcanoes and mega-thrust earthquakes are
Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America. At the mouth of Rio de la Plata.
gift,statement,or money given to show respect or thanks such as tobacco, gold, precious stones, and jaguar skins.
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