<span>Assuming that this is referring to the same diagram that was posted before with this question, <span>the correct response would be that it is missing the connections between the East and West, since many customs from these different "spheres" were disseminated through things like the Silk Road. </span></span>
Explanation: Factories and other sources were producing far more goods than people could afford, which caused prices to sky rocket down. Causing people to be laid off to counteract those prices, etc.