In the preamble, what do the phrases "ensure domestic tranquility" and "secure the blessings of liberty to ourselves and our posterity" mean?

To "ensure domestic tranquility" in the Preamble means to guarantee peace domestically throughout the country.

To "secure the Blessings of Liberty to ourselves and out posterity" in the Preamble means to protect the country's hard-earned rights and freedoms.

Is this a joke question or what, obviously that means red dead redemption 2!