What bureau was eventually created to enforce the Chinese Exclusion Act?

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 specific events led richard nixon to resign the presidency

There are no written records of the first migration of humans to the americas? true or false