The american dream legitimizes social stratification by reinforcing the idea that:

Basically everyone has the same opportunities as everyone else and that you rise socioeconomically through your hard and dedication. So if you fail you are responsible for your failure and your own social and financial status.  That’s how we get social stratification which means that there are different social groups based on some determining factor like wealth and social status.

answer; ///the (iroquois) cultures was made up of several groups, who spoke a common language

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.