Because the soviets had previously signed a Non-Aggression pact with Germany and didn't expect the attack from Hitler (A.K.A Germany.)
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SNCC sought to coordinate youth-led nonviolent, direct-action campaigns against segregation and other forms of racism. SNCC members played an integral role in sit-ins, Freedom Rides, the 1963 March on Washington, and such voter education projects as the Mississippi Freedom Summer.
She helped many enslaved people escape the south
Economic, cultural, and ideological differences were some of the problems unified Germany faced in 1990. Eastern Germany lost a lot of the money during currency conversion. Industrially the east was lacking and did not and could not produce as many products as the west could. Eastern Germany was damaged way more than Western Germany and was repaired at a slower rate than Western Germany. The railroads were not modernized as well as other technologies such as highways, and telephones. Due to the Berlin Wall politically and culturally the Eastern and Western Germans began to do believe and do things differently.