Sometimes. If the sentence is two independent clauses then they would need either a period or a semicolon. A comma would be used if you had an independent and dependent clause.
Answer:
sentence 2 is structured differently than the others.
Explanation:These first ten amendments to the Constitution became known as the Bill of Rights and still stand as both the symbol and foundation of American ideals of individual liberty, limited government, and the rule of law. Most of the Bill of Rights concerns legal protections for those accused of crimes.