Answer:
Ghana, Mali, And the Songhai empire all had trade in common as the primary lifeblood of their civilizations.
It reminded people that a nuclear war would be devastating for everyone.
Answer:
I believe that answer for the first one is Tariffs and the second is states rights
Explanation:
They had no slave population
Answer:
It's A
Explanation:
Primaries are always first and usually political parties trying choose a person to face their opposite political party candidate in general election.