Answer:
A desert geographic theme?
Explanation:
Deserts are characteristically deserted and lack an abundance of water, so this dry climate provides a fitting geographic theme for a group of people that learn to survive with a limited water supply.
The Mexican-American War was in the period 1846-1848. The main causes of the Mexican-American War were mainfest destiny (Americans believed that thye have the right to expand westward and conquer territory despite the rights of the indigenous people already living on that land), westward expansion, economics, and slavery
In 1789 George Washington was sworn in as the first president, and gave the first inaugural speech at Federal Hall in New York City
B. An urban area, aka a city.
