C The Aztec Empire was conquered by Hernán Cortés in 1519
The second answer would have to be correct, because I believe this is focused on the Paleolithic Era.
A. True because the French sent money,arms,and gunpowder to the Americans.
The situation that caused stress on public services offered in American cities during the late 19th century and early 20th century was: Migration from farms to cities.
Migration from farms to cities massively increased the number of population that should be eligible to obtain government benefits in that area destination. This lead to an increase of work load for government workers in that period and caused stress on public services offered by the cities.
Answer:
the growth and expansion of the religion
Explanation:
1. a decrease in Mongol invasions: this option is not correct because Mongol did not invade main Europe
2. a population explosion caused by the Neolithic Revolution: this option is not correct because the Neolithic period was about 10,000 BCE, the Romans and Frankish have not been defined or in existence then, nor was there Christianity during this period.
3. an increase in the influence of prior civilizations on Mayan society: this is not correct because Mayan civilization was not in Europe but southeast Mexico and Central America, hence there was no connection
4. The growth and expansion of the religion: this option is CORRECT because the Romans and Frankish kingdoms were known to be majority Christians and helped spread the religion across the world.