Germany and Berlin would remain a source of tension in Europe for the duration of the Cold War. ... After the crisis of the Berlin Blockade in 1948-49, Europe became divided into two opposing armed camps - the US-backed NATO on one side, and the USSR Warsaw Pact , on the other.
The Berlin Blockade was an effort by the Soviet Union to halt supplies going into Capitalist Berlin controlled by the US. This would have only increased tensions between the two and made the relationship more complex.
