Lincoln's best campaign strategy was his ability to connect with the people through his speeches. He was a skilled orator and used his words to inspire and unite the nation. Lincoln also emphasized his humble background and his commitment to preserving the Union, which resonated with many voters. Additionally, his team focused on strategic messaging and organizing grassroots support, which helped him secure the presidency. Overall, Lincoln's ability to communicate effectively and connect with voters was a key factor in his successful campaign strategy.