Can you guys help me match these pls? And no wrong answers.

In what ways did the byzantines influence the developmental russian society?

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.

Explain how zollverein, a tariff agreement, to unite the german states.