The launch of sputnik and the ensuing space race the cold war.

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increased tensions during

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   Increased tensions during  the Cold War

Explanation:  Launching Sputnik was the trigger for increasing tensions during the Cold War, and was a new period in military and political relations between the two super powers. Sputnik was the first artificial satellite launched on October 4, 1957, circling around the earth. The American response was the acceleration of the space program, which started the space race.

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44