Answer:
Pachacuti became emperor after he halted an invasion of Cuzco that was being carried out by a rival group called the Chancas. The invasion had driven his father to a military outpost. Subsequently, Pachacuti worked to expand the territory the Inca controlled, extending their influence beyond the Cuzco region.
Explanation:
<span>Since 1848, the Rio Grande has marked the boundary between Mexico and the United States. It affected domestic policy in that the river had been a cause for a discord between the US and Mexico and special policies were implemented for the area.</span>
