It's called Naturalization.
The Battles of Lexington and Concord were the first military engagements of the American Revolutionary War.
There are several reasons why the Schlieffen Plan ultimately collapsed, but the main reason was that it did not anticipate French resistance at the border areas.
<span>Disenfranchisement after the Reconstruction Era. Disenfranchisement after the Reconstruction Era
deals with the efforts made by Southern states of the former
Confederacy at the turn of the 20th century in the United States to
prevent their black citizens from registering to vote and voting.</span>
The Calhoun doctrine shows that Calhoun wanted states to have the right to nullify national laws (B).