The country that lost all of it's African colonies by 1920 was Germany<span />
Henry ford created the ASSEMBLY LINE to make it faster and more affordable for the common person to buy.
I would go with Brown v Board of Education. It gave more rights to African Americans and made them one step closer into beating segregation. Through the court case, segregation in schools was deemed unconstitutional, and so was segregation in other public places.
It was used to communicate using written language
