Of the following statements, which accurately describes how foreign lands influenced east africa?

a.
through military conquests, soldiers from india brought christianity to east africa.

b.
contact through trade resulted in a multicultural mix that influenced language.

c.
through the gold-salt trade, greek and roman cultures mixed with empires like songhai and mali.

d.
through interactions with traders along the mediterranean, sundiata brought silks, copper, and glassware back to villages.