During the 1930s, polish scientists reproduced a german device called enigma. just before the beginning of wwii, they sent this machine to britain. why was possession of this machine an advantage to the allies? a. enigma allowed the allies to send coded signals germany could not decipher. b. enigma allowed the allies to decipher coded german signals. c. enigma allowed the allies to jam german radar signals. d. enigma allowed the allies to create a radar network that could detect approaching luftwaffe air raids.

Read the following excerpt from president roosevelt's july 24, 1933, fireside chat. for many years the two great barriers to a normal prosperity have been low farm prices and the creeping paralysis of unemployment. these factors have cut the purchasing power of the country in half. i promised action. congress did its part when it passed the farm and the industrial recovery acts. today we are putting these two acts to work and they will work if people understand their plain objectives. which qualities of effective leadership does roosevelt use in this excerpt? select all that apply. humility communication self-confidence goal setting