Una fuente primaria es algo escrito o creado por una persona que vio un evento histórico. Las cartas, los diarios, los discursos y las fotografías son ejemplos de fuentes primarias. Los artefactos como las herramientas son también fuentes primarias. Otras herramientas que los historiadores usan son fuentes secundarias.
That would be the Colorado River
He employed that peace was the only way because fighting would give them what they wanted to in other words he was trying to make it clear that peace was the only way
During the Cold War era, President John F. Kennedy invoked the Monroe Doctrine. during the 1962 Cuban Missile Crisis, when he ordered a naval and air quarantine of Cuba after the Soviet Union began building missile-launching sites there.
The Monroe Doctrine was drafted because the U.S. government was worried that European powers would encroach on the U.S. sphere of influence by carving out colonial territories in the Americas.