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.
The answer would be A since in WW1 there had been a area called "No Mans Land" which no man could cross hardly ever!
Adam and Eve, they were the first people on earth!
The operation put into action Nazi Germany's ideological goal of conquering the western Soviet Union so as to repopulate it with Germans.
Answer:
It gave the Union army control of the Mississippi River
