what inventions and discoveries made the united states ripe for industrial expansion at the time
there were many inventins made in the us, there was the telegraph invented by morse so now they could talk to people over distance. drake first found oil and they had sources for energy. then edison came along and invented many things-a phonograph, electricity was the main thing we did. there was advances in communication-telegraph, telephone by bell, they also invented ways to make producing things easier, also invented was transcontinental railroad.