Why did the spanish plantation owners in the west indies begin using enslave africans instead of enslaved natives

a. plantation owners could trade food and clothing for slaves.
b. european diseases had killed much of the native work face.
c. plantation owners wanted to enslaved africans pay their debts.
d. africans would only sell enslaved people to plantation owners.

C. Plantation owners wanted to help enslaved Africans pay their debts.

The answer is B. European diseases had killed much of the native work face.

1920 census

the census was scheduled for january the 1st, as the government believed that more farmers would be in their homes by that time instead of april. the census did not ask about unemployment, the number of children, and how long was a couple married were not taken into consideration. individuals were considered as residents of the places they normally slept, not the places were they worked at or visited.

2010 census

the census was scheduled for april 1st, 2010. it was the shortest census in history: it only contained 10 questions related to name, age, gender, ethnicity, relationship, and whether the citizen owned a home or rented one. the government launched a website in order to provide the citizens with information regarding the census. there were also "teach census weeks" in schools nationwide.