 Complete the following phrase:  Another factor was the ability of the conquistadors to manipulate the political situation between indigenous peoples and make alliances against larger empires. To beat the Inca civilization, they supported one side of a civil war. The Spanish overthrew the Aztec civilization by allying with natives who had been subjugated by more powerful neighbouring tribes and kingdoms. These tactics had been used by the Spanish, for example, in the Granada War, the conquest of the Canary Islands and 