To ourselves and posterity?

This means to us and our future generations

The question contains a small but significant error. It's "blessings" not "blessing." The entire clause is "...to secure the blessings of liberty to ourselves and our posterity..."The blessings of...

It means to guarantee to the people of the United States at that time, and to their descendents (their posterity) all of the advantages of freedom.

A:It means to pass down the fact that it is a free country generation after generation. It means to show that is a free country to your future generation, by passing it down to each one,