What new industry, transmitted to the islamic world from china, was introduced during the abbasid period?

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power

What is one aspect of an interpretation of literature

Geographical features such as mountains and rivers allowed the ancient civilizations of india and china to flourish. which two statements support this idea?