In 1922, Russia, Belarus, Ukraine, and Transcaucasia formed the Union of Soviet Socialist Republics (USSR), a confederation comprising Russia, Belarus, Ukraine, and Transcaucasia (which included Georgia, Azerbaijan, and Armenia). The soviets eventually expanded their republics and evolved into a global superpower. Nearly 130 ethnic groups lived in the vast country, spanned many time zones. There was also rules were people needed visas in order to leave and if they got rejected from one then they needed a new invitation and they can’t use the same invitation again in order to leave the soviet union.