False that’s false life is needed by many elements not just one while super nova might have a couple elements doesn’t have all of them
Magellan proved Columbus' theory about the shape of the earth. He found an impractical water route to India. He also died before the journey was completed. The only thing that is not true is that Magellan sailed through the Isthmus of Panama.
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Answer:
The main goal was to contain communion in Southeast Asia. The US failed to achieve this goal because it wasn't willing to sacrifice as much to win the war as the Vietnamese communists were.