December 29, 1845 was when they became a state
Many historians agree that westward expansion was indeed the primary source of contention between the North and South in the sense that it made the question os slavery unavoidable. Each new state had to be determined slave or free--leading to disagreements that led to the Civil War.
D) the great plains is the answer I believe to be correct. I feel the great plains needed this help.
Delaware, Pennsylvania, Massachusetts, New Jersey, Georgia, Connecticut, Maryland, South Carolina, New Hampshire, Virginia, New York, North Carolina, and Rhode Island
hope that helped <3
Recognizing the sovereignty of the Vatican State.
