Passage: The Massachusetts agents then petitioned the new monarchs and the Lords of Trade (predecessors to the Board of Trade that oversaw colonial affairs) for restoration of the Massachusetts charter.  Mather furthermore convinced the Lords of Trade to delay notifying Andros of the revolution.  He had already dispatched a letter to previous colonial governor Simon Bradstreet containing news of a report (prepared before the revolution) that the annulment of the Massachusetts charter had been illegal, and he urged the magistrates to "prepare the minds of the people for a change". Rumors of the revolution apparently reached some individuals in Boston before official news arrived.  Boston merchant John Nelson wrote of the events in a letter dated late March, and the letter prompted a meeting of senior anti-Andros political and religious leaders in Massachusetts.Andros first received a warning of the impending upheaval to his control while leading an expedition to fortify Pemaquid (Bristol, Maine), intending to protect the area against French and Indian attacks.  In early January 1688/9, he received a letter from King James describing the Dutch military buildup.  On January 10, he issued a proclamation warning against Protestant agitation and prohibiting an uprising against the dominion.  The military force that he led in Maine was composed of British regulars and militia from Massachusetts and Maine.  The militia companies were commanded by regulars who imposed harsh discipline that alienated the militiamen from their officers.  Andros was alerted to the meetings in Boston and also received unofficial reports of the revolution, and he returned to Boston in mid-March.  A rumor circulated that he had taken the militia to Maine as part of a so-called "popish plot;" the Maine militia mutinied, and those from Massachusetts began to make their way home. A proclamation announcing the revolution reached Boston in early April; Andros had the messenger arrested, but his news was distributed, emboldening the people.  Andros wrote...

Question: Threats of arrests increased tension where?
Boston and the dominion government