Aberham Lincoln actually saved the Union, but he did free the slaves
I'm pretty sure it was Ulysses S. Grant
Answer:
It could significantly affect U.S. policy in areas such as relations with allies and other countries, defense plans and programs, trade and international finance, foreign assistance, and human rights
It was "Francois Rabelais" who wrote the humorous novel Pantagruel, published in 1532, which poked fun at the established order, since this was during a time when many voices of "protest" made their way through literary works such as this.