What was the effect of the introduction of Islam in West Africa? Traditional religious beliefs disappeared.
More people began to read and write Arabic.
The emperor forced all people in the empire to become Muslims.
Ghana’s rulers refused to give up their Christian beliefs.

The answer is B: More people began to read and write arabic

Explanation:

question:  

the chart compares religious beliefs to us political party support.

religious beliefs and party support, 2012

this chart demonstrates that

a) more highly religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

b) more highly religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

c) more moderately religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

d) more moderately religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

answer: a.