Final answer:
The General Court was the lawmaking body of the Massachusetts Bay Colony, consisting of elected officials including the governor and assistant governor.
Step-by-step explanation:
The lawmaking body of the Massachusetts Bay Colony was the General Court. It was established under the Massachusetts Bay Charter, which was issued in 1629. The General Court consisted of elected officials, including the governor and assistant governor, who made laws for the colony. Only freemen, who were typically church members, had the right to vote and hold public office.