The best American rappers

Rap music developed out of an alternative and often disenfranchised sub-culture in the Bronx back in the early 1970s. It's now one of the most popular genres worldwide, with American's artists dominating the scene and featuring among the best-selling music artists of all time.
These are the finest individual rap artists, living or dead, that hail from the United States:
10. Kanye West
9. Dwayne Michael Carter Jr or 'Lil Wayne'
8. Calvin Cordozar Broadus Jr or 'Snoop Dogg'
7. Kendrick Lamar
6. Nasir Bin Olu Dara Jones or 'NAS'
5. Shawn Corey Carter or 'Jay-Z'
4. Andre Romelle Young or 'Dr Dre'
3. Christopher Wallace or 'The Notorious B.I.G'
2. Lesane Parish Crooks or 'Tupac Shakur'
1. Marshall Bruce Mathers III or 'Eminem'