There were many ways varying from plain sabotage where they claimed that the Portuguese merchants were thieves, up to more controversial means such as ordering their assassinations and telling the king that he should have them killed because they didn't give him presents and plan to enrich their wealth at his expense.
Roger Williams was a man of integrity. He therefore stood with his principles. He was therefore adamant in his criticism and rejection of the Church of England. John Winthrop's Church in Boston had on the other hand remained reluctant to out rightly and openly reject the Church of England. He therefore refused to serve it.
This is what you’re looking for I think. Hope this helped.
Fifth amendment of the United States constitution.
