The Synder Act of 1924 admitted Native Americans born in the U.S. to full U.S. citizenship. Through the Fifteenth amendment, passed in 1870, granted all U.S. citizens the right to vote regardless of race, it wasn't until the Synder Act that Native Americans could enjoy the rights granted by this amendment.
Because many voters were less informed and this way they were still had a say.
I think the best answer would be D. motif.
<span>Archetype is a very typical example of something, such as Hitler could be an archetype of evil. In a story-telling, archetype is a recurrent symbol or motif such as a typical good person or a typical bad person. </span>