What were some of the ways in which people protested the Vietnam War? (Select all the possible answers) Burned draft cards
Refused military service and fled to Canada
Joined the U. S. Military
Created anti-war music
Formed armed citizen militia groups to take over the U. S. Government.
Protested and marched in Washington D. C. and around the country.

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?