How do mediums of exchange affect trade? O A. They make trade more efficient.
OB. They make trade more expensive.
O C. They make trade less profitable.
O D. They make trade less global.

Who founded the koryo dynasty and what legacy does it leave on the korean peninsula?

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.

Why did european nations face financial challenges after world war 1?