Orval Faubus's most controversial action as the 36th Governor of Arkansas was his refusal to comply with the US Supreme Court ruling in the Brown v. Board of Education case (1954), which outlawed racial segregation in schools, and his use of National Guard troops to fight integration at Central High School in Little Rock and prevent nine African American students from entering the school. President Dwight D. Eisenhower, however, achieved to enforce the law by federalizing the Arkansas National Guard and protecting the black students who wanted to attend the school.
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.
