<span>New idea is that slaves were free, "all men are actually free"</span>
Answer:
According to HIstory.com
Faced with an Aztec revolt against their rule, forces under the Spanish conquistador Hernan Cortes fight their way out of Tenochtitlan at heavy cost. Known to the Spanish as La Noche Triste, or “the Night of Sadness,” many soldiers drowned in Lake Texcoco when the vessel carrying them and Aztec treasures hoarded by CortÝs sank. Montezuma II, the Aztec emperor who had become merely a subject of Cortes in the previous year, was also killed during the struggle; by the Aztecs or the Spanish, it is not known
Form a more perfect union. states had to operate as a unified nation.
establish justice. the nation needed a federal court system.
insure domestic tranquility. peace at home.
provide for the common defense.
promote the general welfare.
secure the blessings of liberty.