<span>1.The Chinese did not have any more uses for a navy.
2.The voyages were becoming to expensive.
3.They wanted to divert their attention to stopping the Mongolians.
4.The Chinese began to adopt a policy of isolationism and did not want to interact with anyone.</span>https://answers.yahoo.com/question/index?qid=20130423165801AABEmGv
The answer is B prosperous
The decline of Olmec society might have been caused by civil conflicts. Conflicts among the citizens of this society are likely to have been the cause of its downfall.
<span>Any amendment required unanimous consent of the states. The Articles of Confederation created a national government composed of a Congress, which had the power to declare war, appoint military officers, sign treaties, make alliances, appoint foreign ambassadors, and manage relations with Indians.</span><span>
Hope this helps!
STSN</span>
