How did the invention of machine guns influence european states in the 19th century?

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.

Explain the goal of redistricting. how does redistricting support the democratic process?

Which events are correlated but do not necessarily have a causal relationship?