They didn't know how long they would be in the cattle
This sentence technically doesn't contain an error in verb-noun agreement, however the noun "each one" is odd here. It should be "everyone"
When it fell most people lost trading routes and trading partners since Rome was a big city and everybody went there to trade
An autocracy is a system ruled by one person. Nazi German is an example of autocracy. Hitler directed all the activities inside Germany at that time.
True.
The Paleolithic Period is also called the Stone Age
