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Answer:C) A name for several trade routes that carried goods and ideas across Eurasia
Industry grew with things such as steel mills, auto manufacturers, textile industries. A lot of people were searching for higher paying jobs and moved from the farm lands to the cities to fulfill employers seeking skilled and unskilled workers to build American made products on a huge scale.
To summaries, people in farms weren't getting payed enough so they moved to the city to get more jobs that were higher paying.
By considering A for farmers who began to use crop rotation, B for trade grows C for dramatic increses of the european demographic figures, D for the increases of the supplies of grain and food and E for the time when farmers begun using iron plows I would say timewise the right order would be: E,C,A,B,D