Respuesta :

Compare:

UN has 188 member countries, while NATO has 19. ... Those countries are also members to the UN. Another similarity between UN and NATO is that all the members are sovereign states. The membership between UN is open to all peace loving states that are able and willing to carry out the duties required by the charter.

Contrast:

NATO is an organization designed to fight war, if necessary, in order to defend peace; whereas the U.N. is an organization designed to avoid war in order to maintain peace.