They particularly blocked the Charlestown Neck (the only land access to Charlestown), and the Boston Neck (the only land access to Boston, which was then a peninsula), leaving only the harbor and sea access under British control.
Iberian Peninsula | Wirral Peninsula | Cape York Peninsula | Mornington Peninsula | Peninsula Campaign | Malay Peninsula | Arabian Peninsula | peninsula | Korean Peninsula | Niagara Peninsula | Varna Peninsula | Antarctic Peninsula | Olympic Peninsula | Virginia Peninsula | Kamchatka Peninsula | Kenai Peninsula | Chukchi Peninsula | Sinai Peninsula | Kola Peninsula | Iberian peninsula | Gaspé Peninsula | Eyre Peninsula | Banks Peninsula | Baja California peninsula | Hel Peninsula | Delmarva Peninsula | Yucatán Peninsula | Liaodong Peninsula | Cotentin Peninsula | Cape Peninsula |