Why does seabury believe the continental congress and local committees are undermining americans' liberties?

Seabury refused to be silent in the face of this open rebellion or rule by Committee which he likened to mob and bully tactics. He argued directly and effectively against the comprehensive commercial opposition passed by the delegates. Seabury predicted economic ruin from blockading ports, and depressed flaxseed and land prices.

i would say your answer is a)

sorry if im wrong