The employment of more workers to transform raw materials into finished goods
Explanation:
The commercial and urban resurfacing was something that emerged along with a new social class: the bourgeoisie - which completed the framework of the transformations from feudalism. The greatest changes were in the agricultural sector as well as in social relations: new techniques, higher productivity, demographic growth, etc. Production and exchange ceased to be merely about subsistence and began to serve the markets of cities, in other words, the world was beginning to integrate.
I can't see number one but the answer to number 4 is a vintage car cuz those are really the ones that have a narrow step step fitted under the side so yeah