Answer:
1,3,4 are the correct options
Explanation:
Answer:
Aferican Americans served in artillery and infantry and performed all noncombat support functions that sustain an army.
Answer:
Scarcity often leads to warfare because it supports people to survive.
Explanation:
Lack of food would make people hostile, and a food search will begin to become flourish as they were before. The two communities will fight to gain power and get access to grains as a source of food for survival. Men will turn into fighters who will lead wars towards vulnerable farming communities. As cities began to establish, there was a demand for the supply of grains in these cities where people occupied in a different occupation which had nothing to do with agriculture. As cities grew, they needed a large quantity of food.
They gained exclusive exploration and trading rights over half the world, which helped expand its wealth and power and limited competition from rival European powers.
