What is the name of a system of government in which the state has most of the power

Prior to the presence of europeans on the continent, the slave trade in africa a) did not exist in any form. b) was limited to internal trade only. c) included the trans-saharan and indian ocean slave trade. d) was rarely needed due to the lack of an agricultural economy.

What is the main social system that existed in ancient china?

Which of the following best describes how the maya civilization was governed