Answer: The Pentagon Papers revealed that the United States had expanded its war with the bombing of Cambodia and Laos, coastal raids on North Vietnam, and Marine Corps attacks, none of which had been reported by the American media.
The correct answer is A. French and British
I hope that helps ya!
Information in the link below:
https://www.history.com/this-day-in-history/germany-resumes-unrestricted-submarine-warfare
