Insure domestic tranquility The government is to make sure there is peace within the country. Its job is to prevent anarchy, constant riots and rebellion. A time when there was not domestic tranquility was during the Civil War.
Promote the general welfare Conditions in the country should be such that people are able to make a living for themselves. The economy should be generally prosperous. The phrase does not mean government handouts to the poor or the rich.
Schools – a state promotion of the general welfare
Hoover Dam – a national promotion of the general welfare
And secure the blessings of liberty The government is to make sure people have their rights. People should be able to run their lives without undue interference from the government. The Founding Fathers would be amazed at how large our government has become.
To ourselves and our posterity The Founding Fathers were not just thinking of their generation but of those people living in the future like you. That’s why the Constitution is not very specific. The Founders knew that things would change over time and they wanted the Constitution to be adaptable.
Do ordain and establish this Constitution for the United States of America The people are making this new Constitution for the country. This Constitution was only a proposal. The states would have to ratify, or approve it.