I Believe it is Herbert hoover
In July 1938, Corrigan piloted the single-engine plane nonstop from California to New York. Although the transcontinental flight was far from unprecedented, Corrigan received national attention simply because the press was amazed that his rattletrap aircraft had survived the journey.
The Civil War started because Abraham Lincoln was against slavery even though he had slaves and plus it also happened because of him signing the Ammendment of being against slavery even though he still had slaves.
Answer:
Differences in culture were causing issues.
Explanation: