EASY why is Protesting necessary to fight for constitutional rights.

Hope this helps :)

The right to join with fellow citizens in protest or peaceful assembly is critical to a functioning democracy and at the core of the First Amendment. Unfortunately, law enforcement officials sometimes violate this right through means intended to thwart free public expression.

for a voice

Explanation:

Common people don't have a large action of voice, or a powerful one. As long as it remains non-violent and is not affecting any nearby work spaces, law enforces can't stop whatever they are protesting.  The main reason it's used to fight for rights? To be heard. Your not going to get whatever you want to be heard with just saying once, "Oh yeah this isn't right".

the correct answer would be:  

a. adverb phrase

it u understand what he thought at the time and let u know more about him then what third person would of known probably. hope this : )