Which quotation is correctly capitalized?
1.the author explained that he "had begun to write a masterpiece."
2. the author explained that he "had begun to write a masterpiece."

The option that is correct is B.

When you are embedding the quotation in your sentence you are using the quotation marks and continuing as the a part of the sentence. Thus, there is zero capitalization here. If you had wanted to use the sentence in its original form and start with a capital letter you would have to use a colon  and start in a new line.

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.

original oratory is a competitive event in the national speech and debate association, stoa usa, national catholic forensic league, and other high school forensic competitions in which competitors deliver an original speech on a subject of their choosing, though the speech must be factual.racial discrimination refers to discrimination against individuals on the basis of their race. policies of racial segregation may formalize it, but it is also often exerted without being legalized and also it means facing injustice.