The first organized opposition to slavery as an institution emerged in the late century. a. fifteenth b. sixteenth c. eighteenth d. twentieth

Your answer is the 18th century, the Civil War ended in 1865. So, the first organized opposition to slavery as an institution must have been in the mid 1800's

america opposed the axis powers, because they knew that the united states would be targeted during the war. not only that, but germany (which was an axis power) broke the treaty of versailles, and started developing an army, and started attacking and taking over countries. furthermore, japan, which was allied with germany and italy (who both were axis powers) was attacking china, which was a great ally to the united states.