What was the soviet union's goals in blocking land and water routes to west berlin

What did the central and union pacific build? transcontinental railroad transcontinental highway transcontinental trail transcontinental path

What did the brown board of education decision do? o a it established 'separate but equal" segregation o b. it supported cultural segregation in the classroom o c. it banned racial discrimination everywhere. o d. it ruled that segregation in schools is unconstitutional

Do humans change their physical environment to adapt or do humans adapt themselves to their physical environment?