Difference between paleolithic age and mesolithic age

The difference between Paleolithic and Mesolithic periods can be related to the differences in human life and how they evolved during these two periods. Paleolithic and Mesolithic are two of the pre-historic eras of human existence. To be more specific, these are two stages of the stone age. These two eras are considered as significant because they bear evidence to the earliest existence of humans and culture. 

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!