Can someone pls help its in the picture btw

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 city of ancient russia was heavily influenced by the byzantine merchants?

In 150-200 words, name three advancements made by the egyptians and tell how they impacted the culture.