Write an article that answers the following question: Who built blockhouses?
Nova Scotia's governor launched a campaign to end the Mi'kmaq blockade of Annapolis Royal at the end of July 1722. They retrieved over 86 New England prisoners taken by the Indians. One of these operations resulted in the Battle at Winnepang , in which 35 Indians and five New Englanders were killed. Only five Indian bodies were recovered from the battle, and the New Englanders decapitated the corpses and set the severed heads on pikes surrounding Canso's new fort. During the war, a church was erected at the Catholic mission in the Mi'kmaq village of Shubenacadie . In 1723, the village of Canso, Nova Scotia was raided again by the Mi'kmaqs, who killed five fishermen, so the New Englanders built a 12-gun blockhouse to guard the village and fishery.:62 The worst moment of the war for Annapolis Royal came on July 4, 1724 when a group of 60 Mi'kmaqs and Maliseets raided the capital. They killed and scalped a sergeant and a private, wounded four more soldiers, and terrorized the village. They also burned houses and took prisoners.:164-165 The New Englanders responded by executing one of the Mi'kmaq hostages on the same spot where the sergeant was killed. They also burned three Acadian houses in retaliation. As a result of the raid, three blockhouses were built to protect the town. The Acadian church was moved closer to the fort so that it could be more easily monitored. In 1725, 60 Abenakis and Mi'kmaqs launched another attack on Canso, destroying two houses and killing six people.