<Tr> <Td> <Ul> <Li> Electoral history </Li> <Li> Political positions </Li> </Ul> <Ul> <Li> Early life </Li> <Li> Career </Li> <Li> Films </Li> <Li> Public image </Li> </Ul> Governor of California <Ul> <Li> Governorship </Li> <Li> 1976 general election <Ul> <Li> Primaries </Li> <Li> Convention </Li> </Ul> </Li> </Ul> 40th President of the United States <Ul> <Li> Presidency <Ul> <Li> Timeline </Li> </Ul> </Li> </Ul> Policies <Ul> <Li> Domestic <Ul> <Li> Reaganomics </Li> </Ul> </Li> <Li> Foreign <Ul> <Li> Reagan Doctrine </Li> </Ul> </Li> <Li> International trips </Li> </Ul> Appointments <Ul> <Li> Cabinet </Li> <Li> Judicial appointments </Li> </Ul> First term <Ul> <Li> Campaign for the Presidency </Li> <Li> 1980 general election <Ul> <Li> Primaries </Li> <Li> Convention </Li> </Ul> </Li> </Ul> <Ul> <Li> 1st inauguration </Li> <Li> Assassination attempt </Li> </Ul> <Ul> <Li> Invasion of Grenada </Li> <Li> Cold War </Li> </Ul> Second term <Ul> <Li> Re-election campaign </Li> </Ul> <Ul> <Li> <Ul> <Li> 1984 general election </Li> <Li> Primaries </Li> <Li> Convention </Li> </Ul> </Li> <Li> 2nd inauguration </Li> </Ul> <Ul> <Li> Cold War </Li> <Li> Libya bombing </Li> <Li> Challenger disaster </Li> <Li> Iran--Contra affair </Li> <Li> "Tear down this wall!" </Li> <Li> INF Treaty </Li> </Ul> Post-presidency <Ul> <Li> Presidential Library </Li> <Li> Medal of Freedom </Li> <Li> Bibliography <Ul> <Li> An American Life </Li> <Li> The Reagan Diaries </Li> </Ul> </Li> </Ul> <Ul> <Li> Alzheimer's diagnosis </Li> <Li> State funeral </Li> </Ul> Legacy <Ul> <Li> Speeches and debates <Ul> <Li> "A Time for Choosing" </Li> </Ul> </Li> <Li> Reagan Era </Li> <Li> Reagan Award </Li> </Ul> <P> </P> </Td> </Tr> <Ul> <Li> Electoral history </Li> <Li> Political positions </Li> </Ul> <Ul> <Li> Early life </Li> <Li> Career </Li> <Li> Films </Li> <Li> Public image </Li> </Ul> <Ul> <Li> Governorship </Li> <Li> 1976 general election <Ul> <Li> Primaries </Li> <Li> Convention </Li> </Ul> </Li> </Ul>

Who was responsible for tearing down the berlin wall