What features helped Pittsburgh grow a major steel center

i think that the answer is iron and lime stone

Explanation: because I g o o g l e d it

i believe the answer is c

president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.