What document says, "the only way whereby any one [gives up] his natural liberty, and [becomes a member of an organized society], is by agreeing with other men to join and unite into a community for their comfortable, safe, and peaceable living one amongst another, in a secure enjoyment of their properties, and a greater security against [people who don't belong to the society]."

John Locke's Second Treatise on Government

Explanation:

The Second Treatise on Government written by John Locke was a claim that the creation of a civil society was basically for the protecting properties. And this that if the government's purpose is also to protect lives and properties, then it is only normal for the government to exists independently from the civil society. The documents that clearly states that quote in question here is therefore the John Locke's Second Treatise on Government.

answer; the population in brazil is very diverse there are many races and ethnic groups

answer: musical connotation

leonard b. meyer (1918-2007) was an american composer, author and philosopher. his work emotion and meaning in music is perhaps the first major treatise on music. it is a philosophical and psychological work, greatly influenced by koffka (one of the major proponents of gestalt psychology). his work deals with the problem of musical meaning and musical communication.