The three regions of Italy were united _____.
Auntil the fifth century and then again beginning in the 1300s
Bunder the Roman Empire and not again until the mid-1800s
Cfor 1,300 years until being broken up by the Roman Empire
Dcontinuously until the end of World War I, and then again following World War II
Auntil the fifth century and then again beginning in the 1300s
Bunder the Roman Empire and not again until the mid-1800s
Cfor 1,300 years until being broken up by the Roman Empire
Dcontinuously until the end of World War I, and then again following World War II