They slaughtered most of the population for food, and the Indians (or Native Americans) were starting to find less and less food.
The issue of expansion of slavery was its expansion and growth into Western territories.
Railroads were crucial to western expansion because they allowed people to easily relocate there.
the buffalo
Western Indian Products
Buffalo Bill Cody
The population of Western Europe is about 415,000,000.
Western Slovenia's population is 933,800.
The population of Western Visayas is 6,843,643.
The population of Western Digital is 67,121.
Western Transdanubia's population is 997,939.
Western Area's population is 947,122.
Western Tokyo's population is 4,128,111.