Who was the antagonist (if applicable) in Romeo and Juliet?

The primary antagonists of the play include the Capulet and Montague families

Explanation:

The primary antagonists of the play include the Capulet and Montague families, whose longstanding feud restricts Romeo and Juliet's freedom and ultimately thwarts their love. Nearly every character in the play is complicit in this family feud, upholding it in some way or another.

the capulate and the montigue families

Explanation:

the Long-standing rivalry limits the independence of Romeo and Juliet, and eventually thwarts their passion. In this family feud almost every character in the play is complicit, upholding it in some way or another