Since the early 1980's the U.S. divorce rates have declined
Answer:
parafrase or direct quote
Explanation:
Answer: The Missouri Compromise was ineffective in dealing with the issue of slavery because it increased sectionalism between Northern and Southern states. Instead of solving this issue of slavery in new territories Congress only increased the tension between North and South.
The answer is imperialism.
Assimilation was considered one of the keys to successful imperialism. According to Oxfords dictionary, imperialism is a policy of extending a country's power and influence through diplomacy or military force.