Charles is giving a persuasive speech, a speech encouraging action from the audience, about the united nations. which thesis statement would you recommend charles use?

a. the organizational structure of the united nations, namely consensus voting in the security council, makes it incapable of preventing war between major powers. the united states should propose the united nations be given the ability to prevent war(s) in the future.

b. the united nations is incapable of preventing war between major powers.

c. the organizational structure of the united nations is ineffective and needs a major overhaul.

d. the organizational structure of the united nations consists of the general assembly, the security council, the economic and social council, the secretariat, and the international court of justice.