Answer:
One of the central themes of Romeo & Juliet is passion, which manifests equally in love and in violence. Both are powerful and conflicting forces throughout the story, but ultimately, it's love that conquers hate. To prove this point, compare the deaths of Romeo and Juliet to those of Mercutio and Tybalt.
Hope this helps, the answer is conflict
Romeo calls it a cordial because, the poison will "help heal his heart".
Also cordial means <span>a comforting or pleasant-tasting medicine. So in a sense it is helping him heal, so he can be with Juliet.</span>
