Answer:
Longitude , C is the answer
Explanation:
Slavery played the central role during the American Civil War. The primary catalyst for secession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories.
Answer: The Aztec Empire grew as it conquered neighboring states, but that growth came at a cost. ... During the time of Montezuma II's reign the empire was at its peak, but so was the resentment of the subject tribes. Constant rebellions were waged. Although Montezuma defeated the rebellions, they weakened the empire.
Explanation:▶CREDIT/SOURCE◀
https://www.britannica.com/summary/Decline-of-the-Aztec-Empire