Answer:
1969 - 1973 president richard m. nixon
Explanation assumed responsibility for the vietnam war as he swore the oath of office on january 20, 1969 . he knew that ending this war honorably was essential to his success in the presidency.
Another name would be B. Revisionist
the highest achievable point if satisfaction known to mankind itself.
They have both a chancellor and a president, so a president would be head of the government.