Yes, it is true that linguists do not know for certain how language was developed by early humans, but they're able to determine that it started somewhere in Africa, due to human migration patterns.
Answer:
A: Own property
Explanation:
They were expected to do the rest
the primary function of the executive branch was to enforce laws.
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.