The Cold War was the geopolitical, ideological, and economic struggle between two world superpowers, the USA and the USSR, that started in 1947 at the end of the Second World War and lasted until the dissolution of the Soviet<span> Union on December 26, 1991.</span>
Columbus didn’t set out to prove the earth was round and Columbus was likely not the first European to cross the Atlantic Ocean. Hope i help!
I'd say that they got it from exploration, really.
Aye ese you're right it is b the heliocentric