Why did the depression in the united states affect other countries are economically

How did the constitutional convention deal with slavery , one the most divisive issues of the period

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.

What notable contributions to science has sandia national labs (snl) produced over the years?