The most reasonable answer is because Native Americans lived there long before Christopher, so he really wasn't the first.
The answer is Voluntary exchange
The right answer for the question that is being asked and shown above is that: "share new inventions; spread languages; exchange new ideas." Trade and commerce between civilizations helped to share new inventions; spread languages; <span>exchange new ideas</span>
Answer:
1. Mesopotamia: Tigris and
Euphrates Rivers
2. Egypt: Nile River
3. India: Indus and Ganges Rivers
4. China: Yellow and Yangtze
Rivers
Answer:
A policy of favoring native citizens instead of immigrants
Explanation:
An example of this was during the 1920's in the US. Many immigrants were coming from Asia and Europe. This made many Americans angry and scared. They were rejecting and harassing immigrant groups. I say this, but they weren't mean to every immigrant group. People coming from countries that are allies to the US, like the English, weren't harassed as bad by Americans.