What empire was ruled by Mansa Musa?

Ghana Empire

Songhai Empire

Mali Empire

Benin Empire

During the reign of Askia Muhammad, Songhai became the largest empire in West Africa .

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.

i would think the answer is between b and d i would say d sorry if wrong