Answer:
A. Public opposition to the Vietnam War had made him unpopular.
Explanation:
In [tex]1968[/tex], President Johnson decided not to seek for reelection as public opposition to the Vietnam War had made him unpopular.
Lyndon Baines Johnson, known by his initials LBJ, was an American educator and b who served as the United States' [tex]36^{th}[/tex] president from [tex]1963[/tex] to [tex]1969[/tex].
He was a Democrat from Texas who ran for and won a full four-year term in [tex]1964[/tex], defeating Republican opponent Arizona Senator Barry Goldwater in a landslide. In the [tex]1968[/tex] presidential election, Johnson did not seek re-election to a second full term. Richard Nixon, a Republican, was elected to succeed him.
Therefore,
In [tex]1968[/tex], President Johnson decided not to seek for reelection as public opposition to the Vietnam War had made him unpopular.
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