We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. according to the preamble which action represents an appropriate role for government

Defending the country

Explanation:

The Preamble of the US Constitution spells out the objectives of the new state that was formed: 1- Justice, 2- Internal Tranquility, 3- Common Defense, 4- General Welfare, 5- Freedom. Thus, the Federal State should seek for its mechanisms to achieve these objectives.

Common defense a prominent factor in the preamble of the constitution, the goal through this factor was to defend the country, not only at that time, but over the generations. The preamble makes clear that the defense of the country was one of the main factors that guaranteed the creation of the state and the creation of legislation.

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hope this helped :)