Slaves were sold which means money was traded and you need money to successfully thrive and so when it ended there was no more money so they had to find different ways and it took a while.
delivery of electricity
He contributed to the electrical industry.
It didn't leave it stronger but built it to become better than what it was, it started to build amendments for all people but it started the industrial revolution in u.s
5. 1st option
6. 3rd option