An Alliance System was a group of nations and/or people that worked together to achieve a certain goal. In WW1, an Alliance System was a group of nations and/or people that worked together to attack an enemy nation.
Both the Nuclear Test Ban Treaty of 1963 and the Strategic Arms Limitation Treaty (SALT) of 1972 were attempts to "<span>(2) promote the peaceful use of atomic energy"</span>
The answer is Literacy increased among ordinary people.
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