Due to trench warfare the machine gun caused stalemates because it was difficult to move up
I would say the answer is d
<span>The Trent Affair was a diplomatic crisis that took place between the United States and Great Britain from November to December 1861, during the U.S. Civil War (1861-65).</span>
D is the answer because the all had the right to be informed, the right to be heard, and the right to safety.
