In 1948, President Truman’s reelection was in doubt due to which of the following reasons? President Truman was a Republican and was opposed by a Congress controlled by Democrats. President Truman had lost the support of the working class by not doing enough to help the economy. President Truman’s foreign and civil rights policies had alienated large groups of voters. President Truman was prevented from seeking another term due to the provisions of the Twenty-Second Amendment.