Complex sentence: In 1870, President Ulysses S. Grant appointed Bard Governor of Idaho Territory, and he signed the oath of office, secured a leave of absence to remain in Georgia, and resigned the office in order to become postmaster in Atlanta, Georgia.
Split into simpler sentences: In 1870, President Ulysses S. Grant appointed Bard Governor of Idaho Territory, and he signed the oath of office. But he soon resigned the office in order to become postmaster in Atlanta, Georgia.