Complex sentence: This resulted in the 1937-1941 Rowell-Sirois Commission, whose most important result was the removal of restrictions on how provinces could raise money, and the transfer of the expensive Unemployment Insurance program from the provinces to the federal government.
Split into simpler sentences: This resulted in the 1937-1941 Rowell-Sirois Commission. The most important result of this commission was that the restrictions on how provinces could raise money were removed, and the expensive Unemployment Insurance program was transferred from the provinces to the federal government.