Pls help meh ! What are the purposes for Frederick Douglass writing “What to the Slave Is the Fourth of July?” Part 1?

Select all that apply.

What to the Slave Is the Fourth of July? Part 1

A. to emphasize that the continued existence of slavery contradicts principles expressed in the Constitution
B. to highlight the irony of recognizing the Fourth of July as a celebration of equality
C. to reflect on the importance of recognizing the Fourth of July as a celebration of equality
D. to point out that the Constitution is weak because it supports the institution of slavery