<span>Congress has the power to introduce and pass laws. The president has the responsibility of enforcing all federal laws. This is an example of separation of powers. In every democratic form of government, powers are divided to the three branches of government: executive, legislative, and judicial. </span>
1- The Soviet forces constructed
the Berlin Wall to prevent the
escape of East Germans into
West Germany.
2- US president Ronald Reagan
delivered a famous speech
challenging Soviet leader
Mikhail Gorbachev to tear
down the Berlin Wall.
3- Newly independent Hungary
opened its border with Austria.
4- East German leaders gave
orders to open the gates
of the Berlin Wall.
5- The representatives of East
and West Germany signed
the Reunification Treaty.
That is the PLATO answer