Answer would be D- match their antecedents.
Answer:
Explanation:
I believe that Northerners tried to oppress others because there were harder conditions up there. They need more people/servants to help them with harsh winters and mild summers. They needed to make sure everything was correctly taken care of.
The first sentence uses correct capitalization.
a) Many people find it difficult to sing "The Star-Spangled Banner," which was written by Francis Scott Key.