Final answer:
Southern states like South Carolina, Mississippi, and Louisiana primarily seceded from the Union during the American Civil War due to perceived threats against their institution of slavery. They felt their 'states' rights,' especially their claimed right to own slaves, were under threat, particularly with the election of President Abraham Lincoln.
Step-by-step explanation:
The question asked for quotes from the secession ordinances of the following states that highlight their reasons for seceding from the Union: 1. South Carolina 2. Mississippi 3. Louisiana. It's important to note that these secession ordinances were legal documents by which each state formally separated from the United States to join the Confederacy during the American Civil War. They detail the grievances each state had against the federal government which led to their secession. However, specific quotes or excerpts from these ordinances are not provided in the information supplied. According to the given materials, Southern states seceded primarily due to the perceived threat against their institution of slavery. Upon the election of President Abraham Lincoln, who they believed would challenge slavery, these states felt their 'states' rights,' especially their claimed right to own human property, were under threat, leading to their secession. Although more specific reasons may vary between states.
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