Answer:
The American Revolution or the American Revolutionary War
If by democratic you mean the Democratic Party in the US, then the answer is 2: providing for public health care.
To being canceled because of a quarrel of words between Virginia Delegation and few of the smaller states
Answer:
The Preamble states the six purposes of government: to form a more perfect union; establish justice; insure domestic tranquility; provide for the common defense; promote the general welfare; secure the blessings of liberty now and in the future.