Slavery began to develop in the americas during the age of exploration because
plantation owners could no longer afford to pay workers to farm.
work on plantations was difficult and needed large numbers of workers.
new plantations grew cotton and workers were injured during picking.
plantation owners feared contracting diseases if they worked themselves.

Slavery began to develop in the Americas during the age of exploration because work on plantations was difficult and needed large numbers of workers. Option B is correct.

Slavery was practiced throughout the American colonies in the 17th and 18th centuries.

Slavery in America kicked off in 1619, when a Dutch ship brought 20 African slaves ashore in the British colony of Jamestown, Virginia.

6 to 7 million black slaves were estimated to have been imported to the New World during the 18th century.

The answer is guerilla  

Explanation:

guerrillaa person engaged in irregular warfare