What is a foreign environment?

Why were inventors essential or necessary for an industrial revolution to happen in america

How did the new working class of the industrial revolution differ from the working classes of the earlier, farm based economy?

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.