Which of the following u. s. supreme court decisions made this image from an american classroom possible throughout the nation?

image showing children of different races in the same classroom.

© 2011 ap images

plessy v. ferguson
marbury v. madison
brown v. board of education
texas v. johnson

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.