The Little Red Book was a very big part of the Communist Party. It held the thoughts of the leader. The Red Army showed their support of Mao by carrying around the small book with them, wherever they went. Mao Zedong was a very strong and powerful leader who led the communists to victory in many battles against the Nationalist Party. During the 20th century, China was at the beginning of modernizing their country. All the dynastic rulers were gone and it was time for some change. The communists saw their chance to fix the problem, started a revolution, and advanced socialism.