America has a sense of destiny and has had incredibly good fortune.
It has unprecedented wealth.
It expanded its territory in the early days at a relentless pace: Native Indians, Spanish, British, Russians - all were overrun with pace and confidence.
They were an investment and used as goods for sale. This practice was used up to the 1850's when the US banned it. But other slaves came from this which included Chinese, Italian Irish etc.
The answer is d because all of the problems in answer a,b, and c is in it and a is so wrong cause it said they overcame it
