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.
Not 100% sure but I'm pretty sure siam was one of the only ones to escape colonization. look at effects on neighbouring countries?