What group of people helped lead the freedom movements like the one in Czechoslovakia? A) Young people

B) Old People

C) Wealthy people

D) Powerful people

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.