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.
Can i see what the options are?
Answer:
4th amendment is the correct answer
One of the main reason why more people didn't foresee the economic collapse of the 1930s is because it happened so quickly with no warning, since the US economy during the 1920s was incredibly strong and showed no signs of slowing.
Western Europe 1450-1750 the Roman Catholic church would no longer maintain its unity as a result of the Protestant Reformation ( new sects like Anclicanism,Lutheranism and Calvinism), Wars over religion (30yrs war) would see 1/3 of the population decimated, however reforms of the Catholic church (counter reformation)