The cotton gin Was made in 1793 in order to remove seeds from Cotton fiber so the correct answer would be (B)
They lost 74% of our treaty territory
I think the anser is C that what i think
It benefited in numerous ways but mainly it and maybe most importantly it gave them the access to the China trade. The Pacific route was also Spain's exclusively for a certain period of time and there was also a great need for silver in China which was supplied by the Spaniards from their silver mines.
Despite early resistance, in the end, all thirteen colonies joined the confederation.