What were the browns and other families asking the supreme court to do?

Your answer would be to "Allow African American children to attend the school of their choice".

Please correct me if I'm wrong :)

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.