Philosophers applied to physical and social aspects of people’s lives. people started implementing new ideas and philosophies to their lives. they were getting tired of the power of the monarchy. they wanted to experience a change in the way they were treated. so, people started demanding .

Constitution and democracy.
Monarchy had the total control over the lives of the people, so they start demanding some rights outside of the monarchy control, that should be included in a document that certified that the monarchy does not have the power to cancel those right, the constitution. Democracy is the next step, where people demand to have control over who governs them. 

The answer is c. hope that

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.