Haiti is 80% Roman Catholic, 16% Protestant, 3% other and 1% no religion. Roman Catholic is the official religion.

Roman catholic.

The dominant religion in the Roman Empire was the Roman religion until Christianity became the dominant religion.

For what was suppose to be Christianity was instituted by Constatine.

that answer is wrong the first roman ruler to adopt Christianity as roman official religion was Theodosius

They are both right, Constatine 1 and theodosius 1

Roman religion