Supreme Court should be the right answer
Theodosius was the last emperor to rule over both the eastern and the western halves of the Roman Empire. ... He also issued decrees that effectively made Orthodox Nicene Christianity the official state church of the Roman Empire
Verb: revoke or annul (a law or congressional act).
Noun: the action of revoking or annulling a law or congressional act.
The extension of a nation's authority by territorial acquisition or by the establishment of economic and political dominance over other nations.