What did the U. S. (Texas) and Mexico not agree on that eventually led to the start of the war

In 1846, a dispute over the border between Texas and Mexico resulted in armed conflict, and the Mexican–American War began

Explanation:

The Mexican army attacked them. The main cause of the war was the westward expansion of the United States. All through the 19th century Americans believed it was their right to expand westward.

there has only been 12 presidents. the 12th president is/was moon jae-in

depends on the age of the teen, many believe by the age of 16 a person should know the strong difference between right and wrong along with the difference between risky and immediate death. swimming with sharks might be dangerous but swimming with sharks while bloody meat is attached to you is just insane. even more if you have no idea what you're doing. however, no matter the age, as long as the person is skilled enough and has the mental and physical capacity to control their actions doing whatever sport they put their mind to is all that matters.