Phân tích mâu thuẫn chung của công thức chung của tư bản

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.

Which of the following most accurately describes china today

Concentration camps built by nazis in 1933 initially held