Why do most presidential candidates take moderate positions on major issues?

they can increase to boost the enonomy.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.

where are the choices

answer; pentagon papers, vietnam draft-resistor, james dean, american revolution;