Had to look for the options and here is my answer.
How the Moderate Southern Democrats responded to the choice of John C. Breckenridge as presidential nominee is that these democrats started to establish and organized <span> the Constitutional Union Party. Hope this answer helps.</span>
The US had many attempts at compromise with varying levels of sucess before the Civil War. However, when Lincoln was elected president (on the platform of stopping the expansion of slavery), the South lost hope and seceded.
There is always a solution other than war, however, in this case, war had been a looming possibility for quite some time, and compromise probably would've only pushed the war back a year or two.
Hope this helps :)
Answer: They focused on fishing
Explanation:They did this because they were close to rivers and lakes so they needed to use what they have and start harvesting the fish and selling it and making money and maybe even trading with other countries.
Answer:
D. It convinced American leaders that they would need to invest more heavily in scientific training and research.
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