Answer:Conflict developed between Spanish settlers and Native Americans in the Southwest in that the Native Americans began to fight over buffalo herds.
Explanation:Spanish leaders formed alliances with some of the Indian tribes and provided them with tools, crops, livestock, and arms. The new materials available to these tribes gave them superior weaponry over their enemies. As Indians acquired horses, they became more mobile.
Answer:
a number of geographical barriers in Latin America- D)
Answer:
The last time Congress enacted sweeping immigration reform was back in 1986. That bill, signed by Ronald Reagan, looked a lot like the proposals being put forward today. There was a path to citizenship for existing illegal immigrants, coupled with tighter border enforcement.