A procedure that some researchers use to investigate the question of what an observer perceives when observing a demonstration is known as the

the correct answer on edgen is:

(c.) prevent the spread of communism.

i just took the test.

the answer is       political office  

hope this .

answer; (true);

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!