Complex sentence: With the help of Brother Marie-Victorin, the movement grew rapidly in Quebec: 50 circles were founded within 4 months of its foundation, 300 in 1932, and 1000 in 1947.
Split into simpler sentences: With the help of the brother Marie-Victorin, the movement knows a great rise in Québec. Since its foundation, it obtains a big success: 50 circles were founded in 4 months, 300 in 1932 and 1000 in 1947.