Psychological warfare involves the planned use of propaganda and other psychological operations to influence the opinions, emotions, attitudes, and behavior of opposition groups. RAND has studied military information support operations (MISO) in many countries and war zones and has provided objective and supportable recommendations to policymakers on methods and tactics to employ or defend against these operations.
I think A hope this helps
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Increase of crops due to new innovations with the farming technique is one that comes to mind, not very sure about other factors though, sorry
23 officially recognized independent states
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Explanation:
The most devastating impact of the great depression was human suffering. In a short period of time, world output and standards of living dropped precipitously. As much as one- fourth of the labour force in industrialized countries was unable to find work in the early 1930s
