The American pre-civil war got very wide spread because people started protesting toward the government. Slavery was a big issue because the south slaves were not free but the other part of the state which is north america made slaves free. There was speeches that started to encourage slavery to stop because of the treatment of the slaves and that everyone should be equal throughout the country.
The term biogeochemical is a contraction that refers to the consideration of the biological, geological, and chemical aspects of each cycle.
The answer is 1,350 because you have to subtract.
