It was bad because peoples' lives were lost during the border wars.
That is why, hope this helps. :)
The Constitution of the United States established America's national government and fundamental laws, and guaranteed certain basic rights for its citizens.
He followed the advice of Arius Didymus who told him that "Too many Caesars is not good". (no joke I swear he actually said that) Hope this helps ;)
I’ll give you a few to choose from:
-There were plenty of jobs (but low-paying) in America
-Gold Rush
-America had an open door policy (at least until the immigration act)
-Social mobility was possible (unlike restrictive social classes in England)