60 years ago, Malaysians gained a state but we still struggle to form a nation

Schoolchildren in Stadium Merdeka forming the words ‘Hidup Malaysia’ on Sept 16, 1963, marking the day the country was formed. Three generations on and Malaysians still struggle with the concept of one nation under ‘Bangsa Malaysia’. — National Archives

POP quiz, what does “bangsa” refer to?

A) Ethnic group