Human migration occurred because of several factors. The reasons are the following:
1.food shortages
2.War
3 Seasonal changes
4.Disease and epidemic.
Africans are nomadic people. They thrive more from their environment. They only had to stop migrating during the agricultural era, wherein they learn to plant and tend crops and started cattle herding.
Answer:
1. The Chinese Economy since the Start of the Reform and Open-door Policy
2. Emerging Conflicts
3. The Necessity of Reform
Explanation:
<span>Logging ranks among the top causes of deforestation in Central and South America, especially because of the high demand for timber in countries importing from the region. In fact, between 1990 and 2010, South America lost about 8.7% of its forest cover, and over 80% of Latin America's tropical species have been lost just within the past 40 years. For the second human factor affecting the environment of Central and South America, according to the World Bank, more than 70% of water used in Central and South America empties back into rivers in the region without undergoing any form of treatment. This implies that industrial and sewage waste flow back into rivers, lakes, dams, and other water sources. This is so endemic in the region that every one in eight people there doesn't have access to clean drinking water.</span>
the foreign community through the Cohong
I hope that's help.
