<span>Po River. Po River, Latin Padus, longest river in Italy, rising in the Monte Viso group of the Cottian Alps on Italy's western frontier and emptying into the Adriatic Sea in the east after a course of 405 miles (652 km)</span>
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Republic: a state in which supreme power is held by the people and their elected representatives, and which has an elected or nominated president rather than a monarch.
Federal: having or relating to a system of government in which several states form a unity but remain independent in internal affairs.
Explanation:
First African American to publish a book of poetry.
