Answer:
The Strategic Defense Initiative (SDI), derisively nicknamed the "Star Wars program", was a proposed missile defense system intended to protect the United States from attack by ballistic strategic nuclear weapons (intercontinental ballistic missiles and submarine-launched ballistic missiles).
Explanation:
Strategic Defense Initiative (SDI), byname Star Wars, proposed U.S. strategic defensive system against potential nuclear attacks—as originally conceived, from the Soviet Union. The SDI was first proposed by President Ronald Reagan in a nationwide television address on March 23, 1983.
Margarine and butter are examples of substitutes.
Slaves in colonies worked in rice,tabacco and sugar cane crops the working day were from day to late evening and at night they sleep on benches and on the floor (HOPE THIS HELP YOU)
Andrew Mellow and Herbert Hoover are your answer
Herbert Hoover later became one of our presidents, i believe
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The Cold War in space
When the Soviets launched the world's first artificial satellite, Sputnik I, in October 1957, it set off alarm bells in the Eisenhower administration and created intense fear and anxiety among the US public that the Soviet Union had surpassed the technological achievements of the United States.
