Describe how two of the following civilization were influenced by contact with outside and influenced others.

Trade,war,and migration brought new commodities,ideas and people into or at least to the attention of the civilizations we have been studying. Describe how two of the following civilization were influenced by contact with outside and influenced others. Include discussions of economic, religious/philosophical, and social effects where relevant.

A. ancient Egypt

B. the Roman Republic and Empire

C. China