Why is a person being arrested given the right to remain silent?

to avoid self-incrimination
to prepare their statement
to decide what to tell their lawyer
to protect them from abuse by the police

When did the us congress declare war on the confederate states?

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.

Who was the redcoat leader (major john pitcairn,militias, ralph waldo emerson, concord, captain john parker)