The constitutional principle of federalism that prohibits an individual state from declaring war.
Answer:
I believe it is A.) Economic Growth
Explanation:
It is believed they invented the sailboat, the chariot, the wheel, and the plow.
It is for certain they invented cuneiform (the first written language). They also invented checkers (the game)...lol.
<span>The 1920s were an age of dramatic social and political change. For the first time, more Americans lived in cities than on farms. The nation's total wealth more than doubled between 1920 and 1929, and this economic growth swept many Americansinto an affluent but unfamiliar “consumer society.”</span>
