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Well this marked a time when industry in the east began to flourish. There was alot of capital available with people getting wealthy from primary industries... because of expansion the US actually ahd the largest "free trade" zone in the world in its borders. American industrialists had access to a wide range of resources for relatively cheap.. they also had alot of strategic positioning to the European trade (and later with the Pacific trade). New land was taken from the Indians and the Mexicans and new white settlers got land for incredibly cheap (sometimes even free). Land gave people leverage with banks.. industrialist in the east were more than willing to purchase everything they could... people got wealthy. This is the era where the "American Dream" became a popular saying... for good reason. Just imgaine you were from Germany or Russia where the means of production meant very caste-like labour relatioships... then you go to America where you get free land and a boomig market.

The US also became a military power at this time expanding into Mexico and the caribbean. European powers didn't really want to mess with the US too much at this point in history.

1. Big population development from handiest 6 million (1800) to seventy five million (1899). 2. Significant territory progress. The us had a whole truly empty continent to increase into, and during the century went from best 17 states in 1800 in the east close the Atlantic to forty eight states and the entire strategy to California on the Pacific 3000 miles away. 3. Unlimited ordinary resources from a whole continent in timber, farmland, gold, silver, iron, natural world, oil and so on. 4. No enemy international locations wherever close it that might invade it, hassle it, or take it over. 5. The development of industry and gigantic cities in the 2nd half of the 1800's making the united states a top industrial vigour through 1900.

America didn't become a strong nation until after the Spanish American War

The white man won lots of wars and got rich off the resources in America and invented many new things.

Freedom of business and strong political leaders

Rampant homosexuality.

we had a republican form of government