sentences:  Around December 1923 and January 1924, the Social Democrats threatened to withdraw from Parliament, unless early elections were held.Prime Minister Kyösti Kallio opposed the dissolution of Parliament, true to his parliamentary principles, and resigned after Ståhlberg indicated that he would dissolve Parliament.After Kallio's resignation, Ståhlberg appointed a caretaker government of civil servants, led by Professor Aimo Cajander (a Progressive).