<span>Palestinian independence</span> and Israeli security
Answer:
World War I Germany's unfettered submarine warfare against American ships during World War I provoked the U.S. into abandoning the neutrality it had upheld for so many years. The country's resultant participation in World War I against the Central Powers marked its first major departure from isolationist policy.
Explanation:
The correct answer among all the other choice is C. Okinawa. This battle convinced Allied leaders that an invasion of the Japanese mainland might be too costly in human lives. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.