Final answer:
The executive branch is responsible for executing and administering laws in the U.S. government, while the General Court in Puritan colonies functioned as the legislative branch.
Step-by-step explanation:
The branch of government responsible for executing and administering laws is b) the executive branch. The executive branch includes the President of the United States and is tasked with implementing and enforcing the laws passed by Congress. The legislative branch, mentioned in the question, is indeed responsible for making laws, while the role of the judicial branch is to interpret and enforce them. For historical context, the General Court in Puritan colonies served as the b. legislative branch, as it was responsible for creating laws within those colonies.