answer would be false if i remember
The declaration of independance? Is that what you are looking for?
<span>Meet certain requirement.
Be a legal permanent resident of the United States.
<span>Go through the naturalization application.</span></span>
According to Albert Barnes, their mistake was that they didn't speak against slavery. Although many of them believed that slavery was against god and against the idea that god made everyone equal, they didn't do much against it out of many reasons, either they thought it was a necessary evil or they were afraid of the public reaction.