Complex sentence: On 5 December 1947, conscription was instituted for all men and women aged between 17 and 25 and by the end of March, 21,000 had been conscripted.
Split into simpler sentences: On 5 December 1947, conscription was instituted for all men and women aged between 17 and 25. By the end of March, 21,000 had been conscripted.