What did frederick the great do to improve his chances for a successful battle?
a. he forbid the playing of any games of chance.
b. he discussed strategy with the rank and file soldiers.
c. he had all of his generals play chess between battles.
d. he used a war table process called double blind gaming.

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub