Why was slave labor used in the English colonies in the New World?

They needed a stronger economy and slave labor was cheap.

Explanation:

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.

it would be d). more resources must be obtained to attain that combination of goods and services