How has the relationship between wealth and government affected various groups of citizens in the United States?

Which passage from the gettysburg address best supports the central idea that freedom is worth the struggle

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.

Why is it important that dr. luther king jr. use non-violent protest to create social change?