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.
Primary
1. talking to a woman who was alive during 1994
2. a autobiography of a woman from 1994
Secondary
1. History textbooks
2. newspaper article
Answer:
SPQR, an abbreviation for Senātus Populusque Rōmānus, is an emblematic abbreviated phrase referring to the government of the ancient Roman Republic. It appears on Roman currency, at the end of documents made public by an inscription in stone or metal, and in dedications of monuments and public works.
or
SPQR: A History of Ancient Rome is a 2015 book by English classicist Mary Beard that was published in the United Kingdom by Profile Books and elsewhere by Liveright & Company. SPQR appeared on the hardcover, non-fiction bestseller list in December 2015.
Explanation: