I would go with c not the other ones
B)The Middle class grew in cities
Explanation:
Urbanization in related to the creation or growth of an urban area. So B would be the best option. It could possibly be A though. Definitely not D
Strong navies were incredibly important to European mercantilism because they were needed to protect the merchant ships from pirates, who were common and would raid the ships for profit.
They opposed it, hypocritically, because they believed that H* Chi Minh (the communist leader of North Vietnam) would win over Ngo Dinh Diem (leader of South Vietnam) and that the country would be united with a communist leader and therefore communist government. the United States' policy of containment and the domino theory attributed to their intervention in cancelling the elections because they believed that if Vietnam became communist that other countries specifically those in Southeast Asia would follow.
I beleive the answer is D because it a lot of people benefitted from it