Both groups are called Slavs. In the years before World War I, Serbia wanted all Slavic peoples to form one empire, free from rule by the Turks or Austria-Hungary. The Serbs' wish to unite all the Slavs in one empire is an example of. imperialism.
They gained increases economics
Michael Servetus was a Spanish physician and theologian. He was known for having a contrary view on Christology and figuring out the role of pulmonary circulation. I suggest using britannica.com for your research.