The Battle of Midway crushed Japan's plans to conquer the Pacific. The correct option among all the options given in the question is option "c". This was a Battle fought between 4th June and 6th June of the year 1942. Although the Japanese had a bigger fleet, but their flawed planning led to a Allied victory and this crushed the backbone of Japanese naval forces.
Answer: European influence over tropical trade made palm oil a cash crop in West Africa. It was sold and traded among the tribes as payments, used to buy weapons and other goods, and was even used to employ soldiers.
