Hm..history questions like this are my weak point but i would probably say the reserve requirement?
In April 1917, assisted by Germans, Lenin returned to Russia from Switzerland. At once he took control and direction over the Bolsheviks. He prepared to seize power using a clear plan: First the Bolsheviks had to gain control of the Petrograd Soviet.
Answer:
Slaves combined African forms of expression with the white colonists' cultural practices.
Explanation: