Complex sentence: Neither reorganization plan accommodated the fiscal year for the U.S. budget, so on July 1,1939, Congress passed a joint resolution under which funding for both plans would be effective on July 1,1939.
Split into simpler sentences: Neither reorganization plan accommodated the fiscal year for the U.S. budget. So on July 1,1939, Congress passed a joint resolution under which funding for both plans would be effective on July 1,1939.