The immigration restriction act was one of the first commonwealth laws passed after Federation. It was based on the existing laws of the colonies. The aim of the law was to limit non-white (particularly Asian) immigration to Australia to help keep Australia “British”.
The statement from the ones you've listed that probably best explains the failure of democratic European governments and nations following World War I is
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The governments were unable to solve serious economic problems in these nation.
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This lead to further consequences which partially also resulted in the next world war.
Answer:
The Space Race, the competition between the U.S. and USSR for supremacy in space flight capability, had its origins in the missile-based nuclear arms race between the two nations following World War II.
Explanation: