Plymouth Colony: Located just south of Massachusetts Bay Colony, Plymouth Colony was founded by the Pilgrims in 1620. The two colonies had close ties and often cooperated on various matters, such as trade and defense.
Connecticut Colony: Established in 1636, Connecticut Colony bordered Massachusetts Bay Colony to the southwest. The two colonies maintained friendly relations and engaged in trade and economic cooperation.
New Hampshire Colony: Located to the north of Massachusetts Bay Colony, New Hampshire Colony was founded in 1623. Although it experienced periods of tension and conflict with Massachusetts Bay Colony, there was also trade and interaction between the two colonies.
Rhode Island Colony: Founded in 1636, Rhode Island Colony was located to the south of Massachusetts Bay Colony. The two colonies had a complex relationship, marked by both cooperation and conflict. However, they did engage in trade and economic activities together.
In addition to these English colonies, Massachusetts Bay Colony also had trading and diplomatic relations with various Native American tribes in the region, such as the Wampanoag, Narragansett, and Pequot tribes. These interactions involved trade for goods, land negotiations, and the establishment of alliances or treaties.