 They were opposed by the National Constitutional Party, which was in power for most of the period between the 1860s and the 1918, and advocated closer ties between Croatia and Hungary.Other significant parties formed in the era were the Serb People's Independent Party, which later formed the Croat-Serb Coalition with the Party of Rights and other Croat and Serb parties.The Coalition ruled Croatia between 1903 and 1918.