Which of the following events during the 1600s and 1700s led to the development of slavery in the caribbean
a. christopher columbus arrived in the west indies.
b. thousands of natives of the west indies were killed by disease.
c. french, english, and dutch traders joined spanish traders in the west indies.
d. french, english, and dutch traders fought for control of the west indies

French, English, and Dutch traders joined Spanish traders in the West Indies  during the 1600s and 1700s led to the development of slavery in the Caribbean. Option C is correct.

Slavery in the British and French Caribbean refers to slavery in the parts of the Caribbean dominated by France or the British Empire,

In the Caribbean, Great Britain colonised the islands of St. Kitts and Barbados in 1623 and 1627, and later, Jamaica in 1655. These and other Caribbean colonies turnt into the focus of wealth and the center of the slave trade for the growing British Empire.

what are local authorities doing to fix the problem

explanation:

b) the confederacy had to pay all union war expenses.