When was the referendum on Quebec's future status held in Canada?

Australia, which is one of the world's developed countries, has become rich through ________.

In the 1970s oil was discovered in ________, but the revenue from oil did not create an economic for Britain.

DuringtheSecondWorldWar,Roosevelt,StalinandChurchillmetat________.

TheNewFrontierandWaronPovertywereputforwardrespectivelyby________.