The Constitution of three sections: the and the the ,the ,and the .

The Constitution of the Preamble. It describes the reason for the document and the Federal Government.  

The Constitution of the Seven Articles. It establishes how the Government is made and how the Constitution can be altered.

The Constitution of the Amendments. It lists the changes to the Constitution.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

social status of early civilizations was based primarily on economic power.- true ( first choice)