Answer: Oil and steel.
The US was by far the biggest producer and consumer of oil before, during and after World War II. For example, in 1940, its production was of 182.657 Mt (compare to the second place, the USSR, which was 29.700 Mt).
Additionally, the iron and steel production in the US was the only one that was not harmed during the war. In fact, the industry reached its maximum levels during and just after World War II. In 1945, the US produced 72% of the world's steel. By comparison, in 2014, the percentage was closer to 5.3%.
I’m pretty sure it because the British promised the native Americans that they would protect their land while the colonies kept taking over their lands there is also other reasons
The Suez Canal cuts off thousands of miles off shipping routes.
The Olmec culture of the Gulf Coast of Mexico.
Brown vs. The Board of Education was a case tried by the Supreme Court from 1952-1954, in which the Supreme Court ruled in favor of Brown, saying that for public schools to separate black and white students was unconstitutional.
