Please help me out with this!! What did Congress do to try to prevent the southern states from seceding from the
union? -

Explanation:

The proposed amendment was designed to reassure the seceding slave states that the federal government would not interfere with their "peculiar institution." If it had passed, it would have rendered unconstitutional any subsequent amendments restricting slavery, such as the 13th Amendment , which outlawed slavery throughout the nation.

the correct answer is “opportunity cost”. opportunity cost is what a company misses out because it decided in one option over another one. in this case, the company decided to invest in building a factory so it gave up another possible benefit or profit in order to achieve success with the factory.  

trade-off is not the correct answer since it is a situation in which you accept losing something in return for benefits in other areas.

and finally, consequence is a general term used to accept what it comes when you make a decision. it can be a positive or negative consequence depending if the decision you took was the correct one.  

the answer would be:

b. race