I believe this is referred to as the Columbian exchange. A good way to remember this is to recall that Columbus came to the Americas in 1492. Thus, the Columbian Exchange started.
Answer:
A greater reliance on automation and also, concern for flexibility
the answer is texile manufacturing
Muslims invaded North Africa and occupied those territories and imposed jizya on the people. After a while the Non-Muslims were sick of being oppressed by the invaders and decided to become Muslims so that the burden of an extra tax would be removed.
The answer is "less eye contact".
Eye contact is considered as the strongest type of non-verbal communication. From birth to death and all events in the middle of, the eyes have it. While ladies and men vary in their eye conduct and what that conduct implies, eye to eye connection is the most grounded type of nonverbal communication.