Neutrality Act Combat Zone

SAT 4 NOV 1939
Neutrality Act of 1939 becomes law. It repeals the arms embargo and substitutes a policy of "cash and carry," prohibits U.S. vessels and citizens from entering combat zones, and establishes National Munitions Control Board composed of the Secretaries of State, Treasury, War, Navy and Commerce.

President Roosevelt declares area around British Isles a combat zone.