The role of slogans in promotional slogans

The function of slogans is to facilitate "building momentum" and forming an atmosphere, and they can also easily serve as "notices to reassure the people". As early as the 1930s, the Red Army wrote a large number of propaganda slogans on the walls of houses in various base areas, many of which still exist today and have become red cultural relics. Slogans reached their zenith during the Cultural Revolution.