What 2 things did the US agree to do in order to help stop this serious problem?

What do you think was a drawback to this method of calculating distance

Group formed to protect artisans and increase their profits

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.