How did the group that used ciphers like this one support the war effort? by developing radar technology that made it possible to track planes at night
O by using radios and walkie-talkies" to convey coded messages that could not be deciphered by the enemy
O by forming an elite spy ring that gathered information about strategies and troop movements of enemy armies
O by flying fighter planes into combat zones to provide assistance to ground troops

a and c?

i think it is a and c

the answer is expolration. hope this !

booker t. washington was an educator who established the tuskegee institute. washington argued that african americans should learn trades that would offer them the opportunity to be progressive citizens. instead of fighting against discrimination, washington argued that african americans should use their education and knowledge to become self-sufficient in american society and not in competition with white americans.

w.e.b du bois was the founder of the niagara movement and later the naacp, du bois disagreed with washington. he argued that african americans should consistently fight for racial equality.

ida b. wells was a journalist who wrote about the horrors of lynching in the south. wells work could be considered muckraking as it led to the development of the anti-lynching campaign.