Effects of the Great Depression on Canada During the Great Depression of the 1930's, Canada's Prairie provinces suffered more than any other area in Canada. This time frame brought for the farmers many years of droughts and grasshopper plagues, as each year got worse without any rainfall whatsoever. The impact of the Great Depression on the Prairie provinces was devastating and it's impact on the region was social, political and economical. During this period unemployment reached high levels, prices of products were falling and purchasing power was getting very weak. To try to help ou