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.
I believe the answer is D: It revolves around the family unit.
Answer:
Cities and urban centers formed around factories as people migrated there for jobs
Explanation:
People continued migrating to the US, children didn't have to win the right to work, and the food supply did not decrease.
The correct answer is B, as at the conclusion of the Spanish-American war, the United States gained an empire and new stature in world affairs.
In fact, as a result of the defeat, Spain ceded its territories of the Philippines, Guam and Puerto Rico to the Americans. In this way the US obtained territories in strategic points of the world (Caribbean, Oceania and Southeast Asia), with which its power in front of the rest of the nations was increased.
In addition, the fact of having defeated a colonial power gave the United States a new status as a world power, both politically and militarily.