You might think it too high to say 90% ... but it really was 90% of funding for the Interstate Highway system that was provided by Congressional funding. This was a huge program signed into law during the presidency of Dwight Eisenhower. It was considered essential to the national interest. The Federal-Aid Highway Act passed in 1956 allocated $26 billion (in 1956 dollars!) to this monumental road-building effort.
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(I dont see the sections but Ill answer on what I know) Slavery was commonly practiced in the United States in the Southern Plantations since the people considered it to be cheaper then hiring people and paying them. That made the south a wealthy place and made the economy of USA flourish in the south. The other reason the Slavery was so popular was as servants who would be in the house and serve food for guests. Another example is that they used to baby sit the child that cannot be left alone. Overall slavery was a belief that the White man was superior thus to the black man or as they called the black people back then a Negro. Slavery was later made illegal by Abraham Lincoln shortly after the American Civil War in 1861.
Various motives prompt empires to seek to expand their rule over other countries or territories. These include economic, exploratory, ethnocentric, political, and religious motives. Economic: Imperial governments, and/or private companies under those governments, sought ways to maximize profits. Industrialization and competition with Europe for power were factors that contributed to the growth of European imperialism. The effects of these factors were that they were able to use weaker nations to meet their commercial needs and if they had many colonies they would be grow to be richer and powerful.
