Why is most of the land surrounding the mississippi river prone to flooding

The Mississippi River takes on water from a vast area. Its watershed is the fourth largest on the planet, covering a 1.2 million square mile (3.1 million square kilometers) swath across 31 states. In fact, rain and water from as far away as the Rocky Mountains in the west and the Allegheny Mountains in the east make their way to the Mississippi through a massive network of 250 tributaries.

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the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.