Answer:The Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-1300s. The plague arrived in Europe in October 1347, when 12 ships from the Black Sea docked at the Sicilian port of Messina.
Vietnam War also called Second War of Indochina, was a war fought between 1955 and 1975 to prevent the reunification of Vietnam under a socialist or communist government. In this war the Republic of Vietnam (South Vietnam) participated, which was against the communists, with the support of the United States and other allied nations of the United States against the local guerrillas of the National Front for the Liberation of Vietnam ( Viet Cong) and the Army of the Democratic Republic of Vietnam (North Vietnam), backed by China and the Soviet Union.
The battles that took place during the conflict occupied the entire territory of Vietnam, the main characteristic of these battles is that they occurred in an area of dense forests, full of natural elements and animals that made the operation of the army of the USA difficult. We could say that this factor greatly favored the army of North Vietnam, since they knew the battlefield perfectly.
The Spanish colonial system of forcing Native Americans to work for
<span>individual Spaniards in the Americas was known as the "ecoomienda system," since this was a way for the Europeans to exploit the Natives for labor under the veil of "helping them". </span>