The revolutionary war which was a conflict with the colonies was misunderstood by the British leaders due to the fact that they didn't took the matter seriously. They never intended to morally help the colonists at that time.
Yes they would be because president do not oblige farmers to give 1/2 to the president
Because it is situation right on the cusp of Africa and the Middle East, had resources, and possibly the greatest benefit of all which was the Suez Canal. This would be crucial as with British and French interests in Asia and Africa meant that it's trading vessels could travel through it instead of going around the Horn of Africa
Because america had better living condition