Answer:
1- The addition of Texas added to the happening to the Mexican-American War
2- The contention began, to a limited extent, over a contradiction about which waterway was Mexico's actual northern fringe: the Nueces or the Rio Grande
Explanation:
The fundamental driver of the war was the affirmation of Texas into the United States of America. Since Mexico didn't perceive Texas' freedom after their effective resistance to the Mexican government it was viewed as an intrusion into Mexican domain once Texas acknowledged the greeting into the United States.
The bill of rights was not included in the original constitution because some delegates thought that a federal bill of rights was irrelevant because most state constitutions were already included in some form of guaranteed rights; while others ted out that outlining certain rights would imply that those were the only rights reserved to the people.
I don’t know if this is right but I am guessing Britain and France
Transferred to the vice president, but not the office itself.