Cotton production expanded. The cotton gin was invented to pick out the seed from the cotton fibers. Led to increase demand of slaves, The south became dependent of plantations and slavery. It got better for them but worse for the slaves.
They would take money from the confederation government and invest it into policies that would boost production that could then be traded with foreigners, especially Europeans who wanted things like cotton and tobacco which were grown easily in the south.
He invented dynamite.
He gave all his money to the Swedish Institute for the Nobel prize because he was accused of gaining wealth from selling weapons to warlords so he wanted to show that he is not corrupt and that he wants to help people instead of allowing them to wage war more easily.
Between the rivers and mountains
I’m pretty sure sorry I hope you get it right