The model of the structure of the solar systems suggests that the earth of the universe?

Heliocentric

Explanation:

"the heliocentric model by Nicolas Copernicus in the 16th century, the sun was believed to be the center of the Universe, with the planets (including Earth) and stars orbiting it.'

okay but whats the question.

explanation:

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.