Which sentence is correctly punctuated?
A. Boston, Massachusetts, was the scene of tragedy, and strife.
B. Boston, Massachusetts, was the scene of tragedy and strife.
c. Boston, Massachusetts was the scene of tragedy and strife.
A. Boston, Massachusetts, was the scene of tragedy, and strife.
B. Boston, Massachusetts, was the scene of tragedy and strife.
c. Boston, Massachusetts was the scene of tragedy and strife.