Answer:
a. Czechoslovakia
Explanation:
<em>"On August 20, 1968, the Soviet Union led Warsaw Pact troops in an invasion of Czechoslovakia to crack down on reformist trends in Prague. Although the Soviet Union's action successfully halted the pace of reform in Czechoslovakia, it had unintended consequences for the unity of the communist bloc."</em>
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more detailed info found here; <em>https://history.state.gov/milestones/1961-1968/soviet-invasion-czechoslavkia</em>
1) Mercury; 2) Skylab; 3) Gemini; 4) Space Shuttle; 5) Apollo . The United States Agency that deals with space exploration and its programs is th NASA or National Aeronautics and Space Administration, with many successful missions, including puting the first man on the Moon (program Apollo).
the answers is C because the Egyptians think when people die there is a afterlife where you continue living so they put everything important in there like money the Egyptians though if they didn't get buried properly then they would die and don't get to live a cool afterlife