All of the Following Are Reasons for Increased Reliance on Slave

Multiple Choice

All of the following are reasons for increased reliance on slave labor, after 1680, in colonial America except  

A) higher wages in England reduced the number of emigrating servants.
B) planters feared the growing number of landless freemen in the colonies.
C) the British Royal African company lost its monopoly on the slave trade in colonial America.
D) Americans rushed to cash in on the slave trade.
E) the development of wheat as a staple crop in the British colonies.