Answer: The war officially ended with the February 2, 1848, signing in Mexico of the Treaty of Guadalupe Hidalgo. Mexico gave up all claims to Texas and recognized the Rio Grande as America's southern boundary.
Explanation: Hope this helped!! :D

Tsar Alexander II initiated a series of importantreforms in Russia. During his reign, the country's rail and communication networks were improved, resulting in increased economic activity and the development of banking institutions.
Answer:
4.0383 degrees south, 21.7587 degrees east
Explanation:
In 1838, the city of Boston established the first American police force
A demilitarized zone is a zone where weapons and military aren't allowed