In this letter to “Friends and Citizens,” Washington warned that the forces of geographical sectionalism, political factionalism, and interference by foreign powers in the nation's domestic affairs threatened the stability of the Republic.
Answer:
In essence, the Massachusetts Bay Colony expelled Roger Williams for having the wrong beliefs. His expulsion also happened because he was a threat to those who held political power. ... Roger Williams got in trouble for two main reasons. First, he did not think the Puritan church in New England was pure enough.
ExplanatIon
Angela Warren...look at the superscript number after the sentence that references the flying buttresses and them look below to the source that corresponds with that number (3)