I guess (c) the attack on pear harbor
The Fifteenth Amendment to the United States Constitution, adopted in 1870, stipulates: "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."
Hope this helps:)
The process in 1990 in which the German democratic republic joined the federal republic of Germany. They removed Hungary's boarder fence with Austria it caused an exodus of thousands of east Germans fleeing to west Germany and Austria via Hungary.
I'm sorry if I'm wrong
A C D
