Invasions of people--many of the groups came as military and fought the Romans as invading forces.
Counterclaim--they were migration patterns as they were attempting to gain access to an empire with advanced trade and education. Migrating to the Roman Empire gave a person or group with extra resources.
Answer:
Black preachers provided leadership, encouraged education and economic growth, and were often the primary link between the black and white communities. The black church established and/or maintained the first black schools and encouraged community members to fund these schools and other public services.
Explanation:
Your answer would be: They wanted to control oil supplies and trade routes in the region.
The Louisiana purchase nearly doubled the land that the U.S. had