The Harding's campaign promises of a return to "normalcy," supported the adoption of an isolationist policy and a series of measure that would return America to the way it was before the war; this idea appealed to voters who were affected by the tension and fighting during WW I and all the damages it had caused, and to those who wanted to return to the way of life before World War I, adopt an isolationist policy rather than getting involved in international treaties or organizations (such as the League of Nations) and to focus on domestic issues.
I'm pretty sure it's the Second.
The meaning is that everybody has right when the were born. So John Locke want to prove that everybody has their equal rights and no one can take it away from them not even the government.
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