How did the Navajo Tribe help the war effort?

The navajo men made an unbreakable code. Theyconveyedmessages by telephone and radio in their native language.

Explanation:

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

answer; ///(1) blank; henry clay; (2) blank; secretary of state; (c)is your answer; ///good luck