The British increased taxes on colonists and ordered colonists to house British troops, colonists also didn’t like that they could not have a trial where the jury was there peers
While all 3 of B, C, and D played some roll in their decisions, C and D are the only to possible ones in my eyes as secession was not a hot button issue until Carolina's calls for it. I'd reckon it's a 50-50 between C and D, so I'd choose D.
Answer:
During his fifty years in New England, Williams was a staunch advocate of religious toleration and separation of church and state. ... These views, among others (like his criticism of King James I), kept him embroiled in protracted religious and political controversies throughout his life.