Which sentence from the article best supports your answer in part A?
A.
“An earlier settlement called the Missouri Compromise had helped to solve the problem for some thirty years.”
B.
“Then in 1849, California asked to join the Union as a free state.”
C.
“As a senator, he wanted to find a way to solve the controversy (serious arguments) between the North and South.”
D.
“The United States had been at war with Mexico, and as a result, the federal government got new territory.”
