Which of the following was the cause of the united states and great britain berlin aircraft a.) russia was trying to make more territory. b.) russia was blocking supply routes. c.) russia was the north koreans. d.) russia wanted to fight great britain over new trade routes.

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.