Gerald Ford was the president that did not attain the presidency due to the death of a president.
Answer:
Americans greatly affected the end of WWI because they broke the stalemate. Until the entry of the U.S. in 1917, WW1 was in a stalemate. Each side literally traded yards of territory from one day to the next. There was no progress. When the U.S. joined they brought with them a large amount of soldiers. It was more a game of numbers than battles once the U.S. arrived. Germany's position quickly became untenable and well before the armistice, they were asking for peace.
Explanation:
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The layers of the Earth in order are:
1.) Moho Barrier
2.) Mantle layer with more convection
3.)Mantle layer with less convection
4.) Core