Why do black members of Congress introduce black issue bills?

Read the abstracts in the attachment.
Group those abstracts into schools of thought that answer the research question, “Why do black members of Congress introduce black issue bills?”
State the name and write a brief description for one of these schools of thought.
Write an evaluation/criticism of one of that school of thought.
THIS IS AN AMERICAN POLITICS CLASS ASSIGNMENT

APSA FORMAT NOT MLA I JUST SELECTED MLA BECAUSE APSA WAS NOT AN OPTION WHEN SUBMITTING PAPER DETAILS