Italian city states were a political phenomenon of small independent states, around the northern part of the Italian peninsula around the 9th and the 15th century. They were governed independently
It gained massive trades and spiked the birth rate in the U.S. . the industrialisation in the U.S. was mainly technology and vehicles EX:blimps, work trucks, vans
I don’t fully understand this question but I think the different government tactics
Strong ties to the English crown -- that was not a factor in the success of the colonies. In fact, the reality was just the opposite. The colonies were very loosely connected back to the home government in England. They developed their own forms of self-government within each of the colonies, which also featured different religious practices (based on groups who had come to the New World to escape religious pressures in England). The "new" this and "new" that featured in your question is a clue to all that was happening in the novel enterprise that was the American colonial experience. This new form of life would eventually challenge any oversight by the English monarch, and the United States of America became its own nation.
They suppressed rebellions that occurred after they took it after the spanish-american war
