You are given a candle, a box of matches, a few thumbtacks, and a very short piece of string with the instruction to mount the candle on a wall. It never occurs to you that you could empty the matchbox and tack it to the wall as a platform for the candle because of .

Functional fixedness      

Explanation:

You are given a candle, a box of matches, a few thumbtacks, and a very short piece of string with the instruction to mount the candle on a wall. It never occurs to you that you could empty the matchbox and tack it to the wall as a platform for the candle because of functional fixedness. Functional  fixedness is a cognitive bias that makes individuals not to see the alternative ways to use an item apart for the traditional purpose for which it was made.

form a more perfect union-goal that states the constitution fixes the problems with the articles of confederation

establish justice-laws and punishments are fair and reasonable.

insure domestic tranquility-protect america(ns) from america(ns).

provide for the common defense-protect america from outside forces.

promote the general welfare-tasks the government performs for the citizens' benefit.

secure the blessings of the liberty-provide citizens with the right to life, liberty, and the pursuit of happiness.

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"