Why do trade and cultural diffusion usually happen at the same time? O A. Powerful kingdoms often control trade routes.
O B. Commodity money can be used for trade.
O C. People who trade goods also exchange ideas.
O D. Rich people usually make more money trading.

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.

the roman empire began to fall