Which sentence uses commas correctly?

a.
on may 31, 1890 the railroad built its first tracks through the prairie town.

b.
on may, 31 1890 the railroad built its first tracks through the prairie town.

c.
on may 31, 1890, the railroad built its first tracks through the prairie town.

d.
on may 31 1890, the railroad built its first tracks through the prairie town.

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.

2b2t

explanation:

2b2t

the term that describes the best dear evan hansen

harry says he would trade a gold mine for a glass of water.