Four years later it was the subject of an investigation led by Fernando Wood, and two years after that it was put under the control of the Secretary of War.  
A year after it was created Senator Lyman Trumbull introduced a bill to expand its powers, which eventually passed over two presidential vetoes.  Four years later it was the subject of an investigation led by Fernando Wood, and two years after that it was put under the control of the Secretary of War.  It grew out of Edward Pierce's "Port Royal experiment," which had begun near Fortress Monroe, and it was brought to an end in 1872, only four years after it was established.  FTP, name this Federal agency run by Oliver Howard, which in practice spent most of its time getting African-Americans to vote for the Republican party.
A year after it was created Senator Lyman Trumbull introduced a bill to expand its powers, which eventually passed over two presidential vetoes.  
the Freedmen's Bureau (or the Bureau of Refugees, Freedmen, and Abandoned Lands)