The Constitution is the answer
Prophet Muhammad's (Peace be upon him) march had a great deal of an impact on Makkah. Some people of Makkah, didn't believe in one god, and hurt Prophet Muhammad (Peace be upon him) and his Sahbah (companions). But they didn't give up, and kept preaching Islam, even though the Quershay would hurt them so much, they would throw rocks on them while they were Praying, yet they didn't give up! Some people became Muslim's, and this was the Impact!
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
The answer is D
Hope this helps :D
Winston Churchill called it this to refer the the imaginary wall <span />