The nineteenth century system of thought most closely associated with the Enlightenment was

reread your text and you will find the answer. stay focused ignore all your distractions.

explanation:

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.

(1)representation based on state population (2)all states have equal representation apex