1. An open struggle for power and influence between the Soviet Union and the United States in the decades after World War II that stopped short of open
warfare.

Cold War

Explanation:It was known as The Cold War because the two countries never came into direct conflict. At the end of World War 2 in 1945 the USA and the Soviet Union emerged as the two new players dominating the world stage.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)