With which sentence would alexis de tocqueville likely agree?

answer; i believe its called ; checks   and balances;

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.

i dont know this man

answer; basic psychology;