Answer:
It included comments about the cowardice of the United States. ... It threatened that Germany would invade Mexico. It declared the renewal of unlimited submarine warfare.
Explanation:
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John C. Calhoun supported the concept of nullification before the beginning of the Civil War. Nullification is the idea that US states have the right to ignore (invalidate) any law that they deem unconstitutional. This means that if a state thinks that a new law goes against a current constitutional amendment, they have the right to not follow it. The nullification crisis causes severe tension in Congress for decades leading up to the Civil War.
natural rights
The theory of natural rights was outlined by John Locke during the Enlightenment.
The idea of natural rights essentially supported that by being born and a part of the natural order, people were granted rights by God that no government could take away but rather must support and protect. Thomas Jefferson was a student of the Enlightenment and believed in the ideas of John Locke. This passage of the Declaration of Independence demonstrates Jefferson's view on government and their duty to protect and support those natural rights.