In 1847, Beecher became the first pastor of the Plymouth Church in Brooklyn, New York. He soon acquired fame on the lecture circuit for his novel oratorical style in which he employed humor, dialect, and slang. Over the course of his ministry, he developed a theology emphasizing God's love above all else. He also grew interested in social reform, particularly the abolitionist movement. In the years leading up to the Civil War, he raised money to purchase slaves from captivity and to send rifles—nicknamed "Beecher's Bibles"—to abolitionists fighting in Kansas. He toured Europe during the Civil War, speaking in support of the Union.