After his wartime service, Truman returned to Independence, where he married Bess Wallace on June 28, 1919. The couple had one child, Mary Margaret Truman. Shortly before the wedding, Truman and Jacobson opened a haberdashery together at 104 West 12th Street in downtown Kansas City. After brief initial success, the store went bankrupt during the recession of 1921. Truman did not pay off the last of the debts from that venture until 1934, when he did so with the aid of a political supporter. Jacobson and Truman remained close friends, and Jacobson's advice to Truman on Zionism later played a role in the U.S. government's decision to recognize Israel. With the help of the Kansas City Democratic machine led by Tom Pendergast, Truman was elected in 1922 as County Court judge of Jackson County's eastern district--this was an administrative rather than judicial position, somewhat similar to county commissioners elsewhere. (At the time Jackson County elected a judge from the western district (Kansas City), one from the eastern district (Jackson County outside Kansas City), and a presiding judge elected countywide.) Truman was not re-elected in 1924, losing in a Republican wave led by President Calvin Coolidge's landslide election to a full term. Two years selling automobile club memberships convinced him that a public service career was safer for a family man approaching middle age, and he planned a run for presiding judge in 1926. In 1926, Truman was elected presiding judge with the support of the Pendergast machine, and he was re-elected in 1930. Truman helped coordinate the Ten Year Plan, which transformed Jackson County and the Kansas City skyline with new public works projects, including an extensive series of roads and construction of a new Wight and Wight-designed County Court building. Also in 1926, he became president of the National Old Trails Road Association (NOTRA). He oversaw the dedication in the late 1920s of a series of 12 Madonna of the Trail monuments honoring pioneer women, which were installed along the trail. In 1933, Harry S. Truman was named Missouri's director for the Federal Re-Employment program (part of the Civil Works Administration) at the request of Postmaster General James Farley. This was payback to Pendergast for delivering the Kansas City vote to Franklin D. Roosevelt in the 1932 presidential election. The appointment confirmed Pendergast's control over federal patronage jobs in Missouri and marked the zenith of his power. It also created a relationship between Truman and Roosevelt's aide Harry Hopkins and assured Truman's avid support for the New Deal.

Answer this question "What were his duties for that?" by extracting the answer from the text above.
The appointment confirmed Pendergast's control over federal patronage jobs in Missouri and marked the zenith of his power.