Which Caribbean country uses a flag composed of four red and blue triangles, separated by a white cross?

Dominican Republic

The flag of the Dominican Republic is unique among Caribbean nations for its design consisting of four rectangles formed by a white cross. The colors red and blue symbolize the blood shed for freedom and divine protection over the nation, respectively. At the center of the cross is a national shield displaying an open Bible with a cross above it, reflecting the importance of faith and religious freedom. This flag illustrates the pride and national values of the Dominican Republic.