Answer: The Incan emperors forced the conquered people to speak Quechua, which is the Incan lanquage.
Explanation: The Inca empire was the largest empire in pre-Columbian America and their civilization arose from the Peruvian highlands sometime in the early 13th century. They were conquerors who employed different methods to unify their empire.
In addition to forcing them to use the Inca language, rebellions were avoided by transporting conquered peoples to different parts of the empire thereby averting would-be rebellions.
They had an advanced system of roads that held and linked the empire together, with some of their roads, walls and irrigation systems still in use till date. These were mostly done using mit'a which was the system of conscripting labor from villages.
Concerning this era, there are several themes which we learn in the American Indian literature. Among these we have the Indian ceremonial chants and oratory, the influence of christianity, ethnicity and racism.
Explanation: The experience of World War I had a major impact on US domestic politics, culture, and society. Women achieved the right to vote, while other groups of American citizens were subject to systematic repression.