In ________ ，Native Americans were granted US citizenship by Congress.
A、1830
B、1890
C、1924
D、1960
【正确答案】：C
【题目解析】：In the summer of 1932 a few hundred WWI veterans (ex-soldiers) came to Washington, DC to demand full payment of bonuses promised by Congress in 1924.参见教材P211。
