Yes it was a red cross the symbol of the christian soldiers
The correct answer is C) tripled.
A contributing factor to the Tulsa Race Riot of 1921 was a sudden boom in migration to the city, which tripled the size of the population between 1910 and 1920.
According to the 2018 ANnual Estimates of the Residency Population, the charts of population growth in Tulsa, Oklahoma shows that the population in 1910 was 18,182 people and by 1920, the population increased to 72,075. This means the population tripled in comparison to 1910.
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