Answer:
B. They allowed conquered people to elect rulers.
Explanation:
The only way the Inca unified their empire was they allowed conquered people to elect rulers.
Inca empire or it is also known as the Incan Empire and the other one known as Inka Empire was known and is the largest empire present in the pre-Columbian American.
The structures which are made for the political and administrative are developed by most scholars.
And these structures were believed to be put together before the Columbus arrived.
