Answer:
The Mexican-American War, waged between the United States and Mexico from 1846 to 1848, helped to fulfill America's "manifest destiny" to expand its territory across the entire North American continent.
Explanation:
https://www.history.com/topics/mexican-american-war
I believe it's because he didn't want any nation to become too powerful and overthrow the others. That's just my guess. hope it helps out
He believed that the Arabic Numeral System was more efficient than the Roman Numeral System.
He also believed that his system, named the Fibonacci Sequence, occurred throughout nature in processes like evolution and even the distances of the planets from the sun (which is crazy). There's still debate on whether it really applies or not, but the number of things things people have found that do work is immense.
Answer:
B. Both Andrew Jackson and John. C. Calhoun agreed not to run for president in 1836.
Explanation: