Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by? a) theme b) period c)culture d)region

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.

According to campbell, why did the british take control of oudh?

What artifact did modern scholars study to them understand hieroglyphics