Answer:
primary, it was written in that time period by someone there who experienced
Answer:I think so
Explanation:I have no clue, you do not have to trust this at all if you don't want to.
I'm pretty sure its D not fully sure
The answer is:
The major industrial cities became overcrowded as workers from rural areas moved there.
and
Because of the steady increase in food production, the population nearly doubled between 1800 and 1850.
