The agreement that citizens will consent to be governed so long as government protects their natural rights is called

A bill of rights

Explanation:

 A bill of rights is one of the type of amendments in the constitutions that basically provide the specific natural rights to the citizen of the country and also limit the government power.

A bill of rights is also known as the declaration of the rights. The main purpose of a bill of rights is that it protect from all the rights that it against from the pubic officials or the private citizens.

 According to the question, a bill of rights is refers to an agreement for the citizens and it is specifically governed by that the government protect their specific rights.  

 Therefore, Bill of rights is the correct answer.

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj