It was the British and Russian empires.
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
Well in the 1850's was a significant time where slavery occurs. As you probably know slavery was terrible on so many levels. Becuase of the different opinions on slavery their political values changed., Some values thought that slavery was okay while the other fought against it saying that slavery should end. Different sections such as Indiana and Illinois has strong opinions to keep slavery including the south when the rest of America did not feel so strongly.
The answer would be seed because it's a non living thing