Sumerians developed , a form of writing used to keep track of business transactions and later, expressed more complicated ideas such as the poem, the Epic of Gilgamesh.

cuneiform

Explanation:

One of the first written languages we know of

answer: "life, liberty and the pursuit of happiness" is a well-known phrase in the united states declaration of independence. the phrase gives three examples of the "unalienable rights" which the declaration says have been given to all humans by their creator, and which governments are created to protect.

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cuban communists pressured the soviet union to place missiles in cuba.