A type of sailing used by early explores was a carvel

Yes. A Caravel was of Spanish/Portuguese descent, and was denoted to have around 3 to 4 sails, in which at least 1 is of triangle shape, and is known for it's speed. It was also shallow enough to navigate through small rivers, yet being able to withstand the high seas.

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it was certainly a debatable decision, mainly because it was based primarily on political - and not on legal or social - views. since the congress at that time was led by members of the republican party, and the territory that the tribes wanted to turn into an exclusively indian state was predominantly democratic, the proposal (as expressed in the constitution) did not succeed, but the constitution itself proved to be of crucial importance in the creation of the state of oklahoma, and, most importantly, it guaranteed the involvement of representatives of the indian tribes in the government of the future joint state.  

as a member of congress, i would have voted to ratify the constitution, or at least to have it tabled. ignoring it was an interested and partial decision.  

more than 65,000 union soldiers had been killed that summer.

more than 65,000 union soldiers had been killed that summer.

more than 65, is the correct