Explanation: Many African American rights activist has worked for the rights of African American. Among them Booker T Washington was the one who advocated an accommodating and patient way for equality. He was an educator and well behaved spoke person.He tried to spread knowledge and education among the African American society.One of his most important contribution was establishing the Tuskegee Institute, a black school in Alabama devoted to training teachers. Mainly he wanted a long term change into the economical and social change into the African American society through education.
A. The creation of the mobile X-ray machines allowed the soldiers to have a much higher chance of survival as the doctors were able to find shrapnel and other issues before performing surgery
Explanation:
Marie Curie invented a vehicle containing an X-ray machine and photographic darkroom equipment that was used in WW1.