Which of these was not a trade route either established or extensively used by muslim merchants after 800 ce?

a). trade along the silk roads

b). trans-atlantic routes to the caribbean

c). trans-saharan trade routes to west africa

d). indian ocean trade to india and southeast asia

What was one of the most important causes of the russian revolution of 1917? a. the german occupation of russia during world war ii b. the bolsheviks execution of czar nicholas ii and his family c. csar nicholas ii refusal to withdraw from world war 1 d. the policy of ethnic discrimination put in place by the duma