Which of the following helped African Americans gain economic independence by teaching them skills to find jobs and vote? PLEASE HELP

b is the answer i am assuming

because of the war the westeners befriended japan and each other advance.

(d) take jobs from american workers.

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.