How long had china been ruled by dynasties before the qing dynasty was toppled?

Why were the chang and xi rivers important to china’s development? a. they keep invaders out. c. they kept china isolated. b. they provided a route for ships to travel inland. d. they provided boundaries for the different political sections

Which best statement best describes the political structure of the ancient aztecs

Because there was very little investment in education, african colonieshad few leaders with government experience.had far too few teachers for their universities.had many skilled workers with little education.had many overqualified workers in menial jobs.