Who was the greatest President of the United States of America?
Abraham Lincoln, he served as our 16th president from 1861 until his assassination in 1865. He led the Union through the American Civil War to defend the nation as a constitutional union and succeeded in abolishing slavery. He was moderate Republican who started out as a Prairie lawyer.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Who was the greatest President of the United States of America?
### Input: 
### Response: Abraham Lincoln, he served as our 16th president from 1861 until his assassination in 1865. He led the Union through the American Civil War to defend the nation as a constitutional union and succeeded in abolishing slavery. He was moderate Republican who started out as a Prairie lawyer.