Historically, what have been the main points of difference between the Australian Liberal Party and Australian Labor Partys approach to national security policy? What explains these differences?

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References are required to be peer reviewed articles, books etc. No newspapers or news feeds.

Divide the research paper into two sections.
The main points of difference between the Liberal Party of Australia and the Labor Party in times of WAR.
And
The main points of difference between the Liberal Party of Australia and the Labor Party in times of PEACE.
And then analyse what makes/explains these differences.
Base explanations on theoretical concepts including realism, liberalism, english school whatever may be applicable.
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