What was the original purpose of the us court of appeals

In an effort to relieve the caseload burden in the Supreme Court and to handle a dramatic increase in federal filings, Congress, in the Judiciary Act of 1891, established nine courts of appeals, one for each judicial circuit.

there are more but this is what i can come up

new york- english

new orleans- french

new hampshire- english

new mexico- spanish

new jersey- english