Answer:
Spread of communism (The Domino Theory) and its support from China and Russia.
Explanation:
Before the Vietnam war, the United States was very much concern about the spread of Communism in Asia, as they gave it a term of Domino theory. The theory asserted the situation of letting a communist nation to takeovers other neighbouring states and converting it under communism. The U.S. involvement in Vietnam began in 1954, though ongoing conflict in the region of North and South.
Russia assisted China in spreading communism in Asia which also became one of the reasons for the United States to refuse to withdraw from the Vietnam conflict.
Answer:
At the December solstice, Earth is positioned in its orbit so that the sun stays below the North Pole horizon. As seen from 23 1/2 degrees south of the equator, at the imaginary line encircling the globe known as the Tropic of Capricorn, the sun shines directly overhead at noon.
Explanation:
Advances in technology in the European Age of Exploration made possible for explorers to travel across the sea. Two examples of the many innovations could be the <em>Caravel</em>, a small to medium sized ship that was mostly used for fishing and exploring since it was fast and easy to maneuver, and the <em>Magnetic Compass</em> that helped explorers know what direction they were headed so they could reach their destination.
