HOW does the MAIN idea that the American dream cannot be defined by one set of ideals emerge in this article?

the type of supporting detail is fact!

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.

i would need to know the specific part of the passage your referring to ?

i really dont know the answer so i cant