Secret military society best known for being allegedly involved in assassination of archduke

Black Hand was a secret military society formed in 1901 by officers in the Army of the Kingdom of Serbia, best known for being allegedly involved in the assassination of Archduke Franz Ferdinand. (This caused more tension after the assassination.

Explanation:

federal appellate courts are called courts of appeals. cases can be further appealed to the u.s. supreme court. cases are heard for the first time in a trial court. if either party disagrees with the decision in the trial court, they can appeal, asking a higher court to review the decision.

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