The Gulf of Tonkin Incident occurred in August 1964. North Vietnamese warships purportedly attacked United States warships, the U.S.S. Maddox and the U.S.S. C. Turner Joy, on two separate occasions in the Gulf of Tonkin, a body of water neighboring modern-day Vietnam.
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Territorial disputes over the Kashmir region sparked two of the three major Indo-Pakistani wars in 1947 and 1965, and a limited war in 1999. Although both countries have maintained a fragile cease-fire since 2003, they regularly exchange fire across the contested border, known as the Line of Control. Both sides accuse the other of violating the cease-fire and claim to be shooting in response to attacks. An uptick in border skirmishes that began in late 2016 and continued into 2018 killed dozens and displaced thousands of civilians on both sides of the Line of Control.
It would be (C) Spain and France.