Foreign conquests cause and effect

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Plz 20 ! in a citizens elect the president as head of government separately from the legislature? a: parliamentary democracy b: communist state c: presidential democracy d: autocratic state

Though most presidents have claimed affiliation with a christian church, the only roman catholic president has been a) abraham lincoln. b) john f. kennedy. c) george washington. d) franklin d. roosevelt.