The threat of german u-boat attacks on georgia would have had the greatest impact on which of these?

Ineed to write an essay about harriet tubman

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.

Who proposed the corwin amendment in early march of 1861