What was one effect of the trans-Saharan caravan trade during the thirteenth and fourteenth centuries? A increased European control of West Africa
B the spread of Islam throughout West Africa
C the decline of slavery in West African societies
D decreased power for rulers of West African kingdoms

/~\ The correct answer is:

B. The spread of Islam throughout West Africa.

I hope this helps! /~\

to fight against injustice and class division

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.