I'm pretty sure its choice D.
A.The U.S congress and people supported it
Hoped this helped
After the Manhattan Project, two missiles were launched at Japan during World War II, which helped win the war.
The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN), charged with ensuring international peace and security, recommending that the General Assembly accept new members to the United Nations, and approving any changes to its charter. Its powers include the establishment of peacekeeping operations and international sanctions as well as the authorization of military actions through resolutions – it is the only body of the United Nations with the authority to issue binding resolutions to member states. The council held its first session on 17 January 1946.
Help the country to develop
The third one ( or C idk)
That crisis made the fear of a atomic war more real than everthing at the time, and showed to everyone that the thing could go nuclear at any time because the tensions between the countries
the U.S. Congress and people supported it