Complex sentence: In Russia after the 1917 Revolution there was indeed initially a burgeoning of avant grade cultural activity, which included Russian futurism Others rejected conventional politics as well as artistic conventions, believing that a revolution of political consciousness had greater importance than a change in political structures.
Split into simpler sentences: In Russia after the 1917 Revolution there was indeed initially a burgeoning of avant grade cultural activity, which included Russian futurism. However others rejected conventional politics as well as artistic conventions, believing that a revolution of political consciousness had greater importance than a change in political structures.