The creation of the factory system in the early 1800s caused -

Why did many members of congress oppose president lincoln’s plan for reconstruction? a. they believed that freed blacks had gained too much power. b. they thought that the plan was too harsh on confederate sympathizers in the north. c. they thought that the president had overstepped his powers.

Can someone read this article and tell me the 1) key ideas and 2) one key quote (copy and paste the link the article is not to long at all)from

Which best describes why it is necessary to evaluate a solution?