Complex sentence: The program began to be wound down after VE Day, in April 1945 Congress voted that it should not be used for post conflict purposes, and in August 1945, after Japanese surrender, the program was ended.
Split into simpler sentences: The program began to be wound down after VE Day. In April 1945, Congress voted that it should not be used for post conflict purposes, and in August 1945, after Japanese surrender, the program was ended.