All 13 were needed to pass those.
The song "The East is Red" is a Chinese song that became well-known during the Cultural Revolution in the 1960s. During this time period, it was considered to be the de facto national anthem of the country.
The main reason why the Communist Party wanted to popularize this song was to increase legitimacy and support for their cause. The lyrics celebrate Mao Zedong, and create an image of him that is idealistic and heroic. This allowed him to develop a personality cult around his person.
Explanation:
"Before she led the Union Army nursing corps during the Civil War, New England’s Dorothea Dix led the most ambitious reform efforts for the care of the mentally ill ever attempted in the U.S. Dix argued that a land grant system, similar to the one that created state universities, should be used to create mental hospitals across the country."
