Maintaining peace throughout the world and promoting human rights and freedom are the two purposes of the United Nations among the following, according to the Charter Preamble. The correct options among the all the options that are given are the second and the third option. I hope the answer comes to your help.
A or b there is no wrong answer
I do not know any of the answers since I did not read the passage, the next time you could put a link to the passage so it's better to comprehend. That's my best suggestion.
I suggest: Put some context and background knowledge <em>before</em> putting the questions themselves for people to answer. If you don't do that, then people would be coming into this blindly.