John Quincy Adams imposed a law that would support anything that will result in profit for the market of United States.Examples are commerce, agriculture and arts. This was his stepping stone towards making the United States become the "first and mightiest nation in the world".
England was only influential in theory because they practiced salutary neglect which means that they didn't bother the colonists as long as the colonies belonged to them and paid taxes. The types of governments depended on who the colony belonged to. Royal colonies listened to the parliament but Charter colonies often did what they wanted. England was influential only up until the point that people were willing to accept.
He was too aggressive in battle. somewhat tentative because of high casualties. They became tentative because the commanders were not aggressive. It encouraged both sides to fight harder.