A. Estonian workers in support of self-determination.
Polish landowners and Polish gentry, German liberals in support of a strong Prussian state, the cultural movement united by pro-Slavic sentiment and the Magyar aristocracy in the Hungarian region were all are major nationalist movements against the Hapsburg Empire of the 18 century.
Estonian workers in support of self-determination were not since they were not under the influence of Hapsburg but under the rule of Russia.