Which group of people were the first to settle in north america(us?

What was the u. s. government's office of indian affairs responsible for doing?

Where did zebulon pike spend most of his time exploring?

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.