Respuesta :
Pearl Harbor is a U.S. naval base near Honolulu, Hawaii, that was the scene of a devastating surprise attack by Japanese forces on December 7, 1941. Just before 8 a.m. on that Sunday morning, hundreds of Japanese fighter planes descended on the base, where they managed to destroy or damage nearly 20 American naval vessels, including eight battleships, and over 300 airplanes. More than 2,400 Americans died in the attack, including civilians, and another 1,000 people were wounded. The day after the assault, President Franklin D. Roosevelt asked Congress to declare war on Japan.
The event that caused the US country to join the allies in the WWII is the Pearl harbor attack led by Japan.
Option B is correct.
What was WWII?
WWII stands for the World War II which had emerged in the year 1939 with the involvement of many strong countries of that time. It arose due to the conflicts between France and Germany because of invasion of Poland by Adolf Hitler.
Peral Harbor attack was one of the most crucial reason that made US country induced to enter into the WWII. It was a bombing attack by the country of Japanese naval force over the Pearl harbor in US in the year 1941 at the morning time. This was made lot of destructions in respect of airplanes and ships, murders of people in thousands and massive devastation of docks.
Therefore, the event mentioned in option B is correct.
Learn more about the pearl harbor attack in the related link:
https://brainly.com/question/12486783
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