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Maine
Place City
Colonial Pemaquid State Historic Site Bristol Includes unearthed remnants of Fort William Henry and Fort Frederick.
Fort George Castine Built by the British in 1789 and location of the largest American amphibious operation of the war.
Montpelier – The General Henry Knox Museum Thomaston Built in 1794, Montpelier was constructed as the retirement home of Henry and Lucy Knox, and was in use by the family until 1854; it was razed in 1871. The current Montpelier is a recreation built in 1930 and includes some of Knox’s personal effects.
Sayward-Wheeler House York Harbor Well-preserved home of Jonathan Sayward, a merchant and a loyalist, originally built in 1718 and then enlarged.

The issue of taxation had immense symbolic importance on both sides of the Atlantic. Like most of his fellow members of Parliament, [Lord Frederick] North regarded the right of Britain to tax America as integral to the absolute and indivisible supremacy of Parliament over America. The concept of parliamentary sovereignty was more than an abstract doctrine. It had emotional resonance as a constitutional victory won against the monarchy in the Glorious Revolution, following the deposition of James II in 1688. It was regarded as essential for the protection of liberty in general. For Britain, the right to tax the colonies was fundamental to its authority to govern America. At the same time, taxation united colonial opposition more than any other grievance.

Andrew Jackson O’Shaughnessy
The Men Who Lost America: British Leadership, the American Revolution, and the Fate of the Empire (2013)