During his long reign, Franz Josef used many methods to maintain his great Habsburg empire. Mark the statement if he tried one of the methods below. A. He crushed a revolt by his Hungarian subjects and executed their leaders. B. He refused to agree to a written constitution, even one that maintained all his powers. C. He split his empire into Austrian and Hungarian parts, and set up a parliament in Budapest. D. He advanced the rights of his Slav subjects, such as Czechs, Slovaks, Croats, and Slovenes. E. He increased his possessions in the Italian-speaking and German-speaking parts of his empire.