All of them were famous during this part of the century, except for A. Mark Twain. He was famous during the LATE part of the 19th Century.
Answer:
If their writing dissapears, then, what is known about that civilization is also likely to dissapear, unless their previous writing was preserved in some other way.
This is something that has actually happened often in history. For example, the library of Alexandria, in Egypt, was the largest library of the Ancient World, and it was burned down by Caliph Omar in 642 AD. Countless works by Ancient authors, that gave account of civilizations, cultures, philosphies, and religions, were lost, and there is no plausible way to recover such knowledge in the current era.
Answer:
They were often cramped, as there were just too many prisoners to handle.
The USSR’s help in defeating Japan. The US wanted Stalin to attack from above during the invasion of Japan, aka Operation August Storm. This happened with the Soviet invasion of Manchuria.
The Twelfth amendment, ratified in 1804, changed the process so that candidates are elected for president and vice president separately, instead of the vice presidency as the person who came in second in the vote for president.