Answer:
The definition of federalism is straightforward: it is the federal principle or system of government. Throughout history, it has been a political system where 2+ governments share authority over the same geographical area.
Because a larger majority of the colonists were loyal to Britain (Federalists) Jefferson was trying to convince them that their original purpose of starting a new country was to be completely independent, so that is his purpose.
Seven states had already seceded.
It started over the use of icons.The Romans wanted to use icons while the Eastern Orthodox so it as worshipping a false god. This resulted in the Roman Pope excommunicating the Emperor because he banned icons.
