Question 1: It was ineffective as communism forces led by Mao Zedong won and introduced a communist government.
Question 2: Make sweeping claims against people with no evidence to back charges.
Question 3: the Soviet launch of Sputnik 1
Question 4: Supported democratic South Korea against communist backed North Korea
The 15th Amendment to the Constitution granted African American men the right to vote by declaring that the "right of citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of race, color, or previous condition of servitude."
(It gave African American men a voice in government.)
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