Which of the following best describes an effect of the policy established in the passage?
O A. The United Nations tried to prevent the United States from
intervening in Vietnamese affairs.
O B. The legislative branch of the U. S. government saw a decrease in
its ability to set wartime policy.
O C. The popularity of antiwar movements in the United States began a
nearly 20-year decline.
O D. The War Powers Act was severely weakened to allow for more
efficient military deployments.