The United States entered the war because of the Germans' decision to resume the policy of unrestricted <span>submarine warfare.</span>
<em>Native Americans.</em>
Explanation:
In the early 1800s, white settlers began wanting to expand west, but the land belonged to the Native Americans. The problem was, the Natives did not want to leave whatsoever, and this started to anger the settlers. This was when the Treaty of Echota was brought up, which meant if the Natives traveled to Oklahoma they would keep that land, along with $5 million. Many did not agree to this, which lead to the Trail of Tears, which forced the Natives that did not move west, to walk there in extreme conditions, with little food or water. The Trail of Tears killed most of the Native Americans that took this journey.
The answer is b
Hope I helped
<span> was established by the landmark decision in Marbury v. Madison, 1803. No law or action can contradict the U.S. Constitution, which is the supreme law of the land. </span>
