<em>C. Felt that government was at odds with the concept of liberty. </em>
Explanation:
The phrase "secure the blessings of liberty to ourselves and our posterity" means that they wanted to make the people feel secure in their rights and freedom and realize that this cannot be taken away by the government. Previously before, the government of Great Britain completely used and gave no rights to the colonists, often having "taxation without representation", now with a new Constitution, citizens were scared too much power would go into the government's hands and a repeat of history would happen. Numerous phrases, this being just one, secure the people's freedom and liberty from the government.
They felt that we were oppressing the indigenious peoples of conquered lands (which we were).
Since the 1950s, the USA has had sanctions against Cuba, being enforced mainly by 6 statutes, the last one being passed in the year 2000. The Cuban government itself believes that the embargo has cost Cuba $753.69 billion USD.