International Mathematical Olympiad selection process Olympiad. Although in principle students of the lower levels may be selected to go to the IMO, it generally takes many years before they can compete with students of the highest level or nivel superior. After the National Competition the twenty best students of each level are invited to the June Training Session where students undergo the IMO selection process. "Hrvatsko matematičko društvo" invites about 20 contestants who performed best at the national level (national level competition is separated by age) to the Croatian Mathematical Olympiad ("Hrvatska matematička olimpijada", HMO) which consists of 2 days, 4 problems each. The best
None Is Too Many authors identify Frederick Blair, the head of immigration in William Lyon Mackenzie King's government, as a top official who opposed and limited Jewish immigration. They say that Blair's policy had the full support of Mackenzie King, who was prime minister 1935–48, Vincent Massey, the high commissioner to Britain, and both Anglophone and Francophone elites in general. The title is based on an incident recounted in the book. Early in 1939 an unidentified immigration agent was asked how many Jews would be allowed in Canada after the war. He replied ""None is too many"". The phrase has since entered common parlance