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.
The US and the Soviet Union
The 1848 Treaty of Guadalupe Hidalgo, forced onto the remnant Mexican government, ended the war and specified its major consequence, the Mexican Cession of the northern territories of Alta California and Santa Fe de Nuevo México to the United States
