Why was poison gas a potential hazard for the troops that used it? O A. Protective gas masks had not yet been invented.
O B. Safety protocols at the weapons plants were limited.
O C. The artillery that delivered it often misfired.
O D. The wind could change direction and kill the wrong troops.

Pls me! the black codes were various state laws in the south concerning african-americans which of the following statements about the black codes is not accurate. a. the black codes protected the civil rights of african-americans. b. african americans who cannot afford to pay a fine could be jailed and then be hired out to anyway person who could pay the fine. c. some southern states passed laws that prohibited is african-americans from voting or serving on jury‘s. d. the black codes were designed to force african-americans into a condition of near slavery.