Final answer:
The major similarity is the concept of equal citizenship.
Step-by-step explanation:
One major similarity between Thomas L. Jennings and a subscriber's interpretation of African American identity as being just as American as Europeans is the concept of equal citizenship. Thomas L. Jennings was an African American who fought for equal rights and became the first African American to receive a patent in the United States. His achievement represented a recognition of African Americans' contributions and abilities, challenging the notion of racial inferiority. Similarly, a subscriber's interpretation of African American identity as equal to Europeans emphasizes the idea of equal citizenship and challenges the notion of racial hierarchy.
Learn more about African American identity and equal citizenship