Answer:
As Islam spread in Mecca, the ruling tribes began to oppose Muhammad's preaching and his condemnation of idolatry. The Quraysh tribe controlled the Kaaba and drew their religious and political power from its polytheistic shrines, so they began to persecute the Muslims and many of Muhammad's followers became martyrs.
Explanation:
The action lowered morale. this did not lower morale as many common folk did not understand the need for ports and thought themselves self sufficient.
They traded.
And the Indians shared their land with them.
Answer: just look up the answers and try to answer it
Explanation:
its simple.
I think that the best answer is the geographic location: many other countries (Sweden for example) have tried being neutral at different times but did not manage to: but the fact that the US has only two boundaries, and that both other countries also have a history of fighting from independence from a European power, makes it possible that unless US decideds to get involved in international politics, it can be "left alone".