The answer is D, a writing system
Because there was either less supplies or more supplies where there was trade.
f(x) = 3x + 6
hope it helps (^ _ ^)
correct me if i'm wrong (; _ ;)
i think its the third one about The U.S constitution.
Answer: Racism and economic troubles.
Explanation:
These are the elementary reasons for the migration of African Americans to the north. Segregation was very pronounced in the South. A huge number of African Americans have experienced some discrimination in the South. A large number of that population were lynched, so living conditions were impossible. In such circumstances, economic reasons were the cause-effect relationship. A society that discriminates against the population because of skin color did not provide even the minimum economic conditions.
