Mao Tse-Tung salutes his troops in 1950; refugees and Nationalist soldiers try to leave areas taken by Communists in 194

The transcript describes the surrender of the city of Piping, leading to thousands of refugees fleeing in search of safety from the advancing Communist army. The entire province of Hopi in northeastern China falls under Communist control, with over a million people now living under the red flag.

What was the impact of the Communist army on the province of Hopi?

How many people were reported to be gathered under the red flag?