Final answer:
Lieutenant Arthur Fremantle was a British officer who visited the Confederate States during the American Civil War. He believed that the cause of the Civil War was primarily about states' rights and not solely about slavery. His views were received with mixed reactions.
Step-by-step explanation:
Lieutenant Arthur Fremantle was a British officer who visited the Confederate States during the American Civil War. He published his observations and experiences in a book called 'Three Months in the Southern States'.
Fremantle believed that the cause of the Civil War was primarily about states' rights and not solely about slavery. He saw the Confederacy as fighting to preserve their constitutional rights and viewed the Union as seeking to suppress those rights.
His views were received with mixed reactions. Some Southern Confederates saw him as sympathetic and appreciated his support. However, his views were largely criticized in the North, where he was seen as biased in favor of the Confederacy and downplaying the issue of slavery.