After world war 2 the australian goverment supported the development of what?

After World War II the Australian government supported the development of Multiculturalism. After the war, there was need for increasing the population of Australian and with that they welcomed any kind of immigrant and that's how they introduced the immigration program, it allowed people from Europe, America, and other places to come to Australian or shall they say settle and migrate because after World War II, the civilian's homes were destroyed and need to migrate somewhere safe. 

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Iam guessing it’s a metallic because it is powdery and so belongs to group 2it is also light. so i would guess it’s graphite.if available, additional information would be very for-example its color. if black it would be division e. also try to mark it on a paper.

Ithink it’s a but it might be wrong so sorry