The proposition that he suggested was that the states should unite into a single union. What inspired him to propose this was the idea on how the Iroquois nation united five different Native-American nations under a single banner into a single union. Nobody supported this but eventually they started supporting the idea.
The spinosaurus was the largest land carnivore.
Specifically, the Battle of the Coral Sea prevented the Japanese carriers Shōkaku and Zuikaku from joining in the Battle of Midway one month later.
North had free labor but south had slavery and cash crop. (cotton picking fields.)<span />
The answer is C. they wanted to get all of the scrap