andrew carnegie
Andrew Carnegie
Andrew Carnegie
because people belive it was American's destiny to spread civilization over seas.
A. closing of the frontier
The construction of railroads in the West enabled faster and less expensive travel to settlers.
It was in the 1800s, around the time of the industrial revolution.
the expansion of slavery
The Iphone 4
Democratic Revolution
Eli Whitney was responsible for the expansion of slavery in America during the 1800's.
Transportation advancements facilitated westward expansion but failed to cross major waterways.
A decrease use of steamships (apex)