Which of the following factors was most important in producing economic differences between the british middle and southern colonies?
a. slave labor was embraced in the middle colonies, but unpopular in the southern colonies’ most popular religions
b. colder temperatures made large-scale farming more difficult in the southern colonies than the middle colonies
c. natural resources needed for manufacturing were more abundant in the southern colonies than the middle colonies
d. european workers were less interested in working in the climates of the southern colonies than in the middle colonies' climates