How did the motivations for the establishment of the north atlantic treaty organization (nato) differ from those for the establishment of the united nations

a. nato was created to promote international human rights, while the united nations focused more on economic development.
b. nato included only noncommunist states, while the united nations included both democracies and communist states.
c. nato sought to maintain peace for all countries, while the united nations opposed the spread of communism in europe.
d. nato was formed by government leaders, while the united nations was created by a group of independent businesses.

the answer to your question is:

strong-mayor system

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.