2 Using Source 3, which statement explains how the expansion of the
railroads most likely affected the U. S. economy during the late 1800s?

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.