After the Fifteenth Amendment to the United States Constitution

After the Fifteenth Amendment to the United States Constitution was ratified in _____, giving African American men the right to vote.
A、1870
B、1818
C、1860
D、1900
【正确答案】：A
【题目解析】：
答案选A。After the Fifteenth Amendment to the United States Constitution was ratified in 1870, giving African American men the right to vote参见教材P246。