Blacks didn't have schooling, most couldn't pass the literacy test. Nor did the blacks have much money, some couldn't afford the poll tax.
Answer:
On April 2, 1917, President Woodrow Wilson asks Congress to send U.S. troops into battle against Germany in World War I. In his address to Congress that day, Wilson lamented it is a fearful thing to lead this great peaceful people into war. Four days later, Congress obliged and declared war on Germany.
You answer is c ,the passage of new amendments to the constitution