Chlorine and Mustard gas are types of poison gas, sometimes used during chemical warfare. For example Germany introduced their usage against the Allies during WW1.
Answer:
The service of African-Americans in the military had dramatic implications for African-Americans. Black soldiers faced systemic racial discrimination in the army and endured virulent hostility upon returning to their homes at the end of the war.
Jews during World War II took on a number of different roles during World War II in attempting to deal with the horrors of the Holocaust and the Nazis. Some Jews attempted to hide, others sought to flee and migrate to other countries, some took up arms and attempted to resist, and others attempt to change their identity not to be persecuted for being Jewish.
Answer:D
Explanation: A&C are important but not as important as making all city’s governments better