John D. Rockefeller pioneered the Horizontal Integration business strategy in the late nineteenth century. Horizontal Integration is a business strategy in which a company increases its business activities by acquiring another company, internal expansion, and merging of companies. The acquisition, and/or merger may happen to the companies with the same or different industries.
A) Hundred years war
B) Italian Wars
Italy was never a nation-state, therefore it turned into a power vacuum -The fall of Constantinople (this limited trade) -Failure of the Peace of Lodi -Sforza invited Charles VIII of France in to Italy to invade
Answer A makes the most sense because agriculture is the study of farming. so A would be my answer. Hope this helps :)