Which is at the base of the federal bureaucracy’s pyramid structure

Who signed treaties with american indian tribes to get them to move to reservations? the territorial government the us congress isaac stevens marcus whitman

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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.