Final answer:
LaGuardia in Manhattan was famous for being a racially diverse community and for promoting immigrant rights.
Step-by-step explanation:
LaGuardia in Manhattan was famous for being a racially and ethnically diverse melting pot in East Harlem. The LaGuardia community joined protests against laws that limited the rights of immigrants, such as the Alien Land Law of 1920 in California. The school symbolized the importance of immigrants and their contributions to American society.