Hugh and ellen danced and sang songs. is this a simple sentence ?

Yes, this is a simple sentence.

Explanation:

 The sentence "Hugh and Ellen danced and sang songs" is a simple sentence. What defines a simple sentence is the fact that it has an independent clause (subject, verb and a complete thought). This sentence has a compound subject (Hugh and Ellen) and a compound verb (danced and sang), but it is still a simple sentence.

you do this because a real teammate puts the team first

major league baseball

explanation:

jack roosevelt robinson broke the color barrier in major league baseball.as he was the first african american to play in the major leagues, jackie robinson became the target of racial abuse. jackie robinson is referring to the historic event, harlem riot.