Look at the diagram about Incan civilization.
A cause-and-effect diagram about the Incan civilization is shown. The cause side includes well-organized society, system of roads, powerful army. The effect side shows a question mark.
Which statement identifies a major effect of the causes shown in the diagram?
(1 point)
Responses
conquest of Central America
conquest of Central America
unification of the empire
unification of the empire
rise of first Andean cultures
rise of first Andean cultures
devastating civil wars