sentences:  Czech and Slovak considered as two official dialects of one language) as an official language, but also granted status to minority languages in areas where at least 20% of the citizens spoke such a language.The Constitution of 1920 would serve as the guiding document for the government of Czechoslovakia until World War II.And even after Czechoslovakia came under the control of the Soviet Union, the constitution would still continue to govern the way the state’s internal affairs by serving as the underlying example for the country’s next constitution, with provisions being made for a separate and more localized Slovak government.