 Complete the following phrase:  Kamermayer began his political career as a deputy at the Diet of 18471848 during the Hungarian Reform Era. In early 1848, he was among Lajos Kossuths so-called parliamentary youth , the law students and junior clerks who supported the ideas of reform and progress represented by the liberal aristocracy at the Lower House of the Diet. After the outbreak of the Hungarian Revolution of 1848, he joined as a volunteer in Colonel Lajos Kazinczys sapper battalion. He was later promoted to lieutet in the 61st Battalion commanded by Major Pál Csuzy. He participated in the battles of 