(1) Garibaldi
(2) Mazzini
(3) Metternich
(4) Bismarck

(1) They did not tolerate criticism and dissent
(2) They imposed censorship laws to control what was said in newspapers, plays, songs etc.
(3) They curbed activities which questioned their legitimacy
(4) All the above

(1) Area called the Austro-Hungary
(2) Area under the Prussians
(3) Area called the Balkans
(4) Area under the Russians