The united states belong to which of the following international associations

Warsaw pact
united nations
league of nations
British commonwealth
North Atlantis treaty organization

United Nations

select more the one

United Nations and North Atlantic Treaty Organization (NATO)

which activity is part of civic, rather than private, life

Voting in elections is part of civic life, rather than private life. Other examples of civic activities include participating in community service projects, joining a neighborhood association, or attending town hall meetings. These activities involve engagement in the public sphere and working towards the betterment of the community as a whole.

which of the following is true of a parliamentary system of government but not of a presidential system

the government is not regulated by a constitution
the judicial branch is part of an unelected senate
the legislative assembly is determined by a national election
the head of government to chosen by the legislative assembly

The head of government is chosen by the legislative assembly is true of a parliamentary system of government but not of a presidential system. In a presidential system, the head of government (i.e., the president) is elected directly by the people in a national election.