Answer:
Option b. The main goal of the Constitution as stated in the Preamble is to protect the people's rights.
Step-by-step explanation:
The Preamble of the U.S Constitution is the opening statement of the document. The Preamble is the way the Founding Fathers used to explain why the government of the country was going to be a Republic from then on, and to state that the Constitution was written with the main goal of protecting the American people's rights.