Ameliorate Buffalo Soldiers

Directions: grammatically correct the sentences below, in red. There are three missing commas and two sentences.

The Buffalo Soldiers were originally members of the U.S. 10th Cavalry Regiment of the United States Army formed on September 21 1866 at Fort Leavenworth Kansas. this nickname was given to the "Negro Cavalry" by the Native American tribes they fought in the Indian Wars. 

Video:
Bob Marley: Buffalo Soldier
The Buffalo Soldiers were originally members of the U.S. 10th Cavalry Regiment of the United States Army, formed on September 21, 1866, at Fort Leavenworth, Kansas. This nickname was given to the "Negro Cavalry" by the Native American tribes they fought in the Indian Wars.

Ameliorate Cowboys

Directions: Grammatically correct the sentence below, in red. There are 2 missing commas.

A cowboy is an animal herder who tends cattle on ranches in north america traditionally on horseback and often performs a multitude of other ranch-related tasks. 

VIDEO 
Cowboy video...really good  Suggested correction: 
A cowboy is an animal herder who tends cattle on ranches in North America, traditionally on horseback, and often performs a multitude of other ranch-related tasks.