Complex sentence: By the end of 1947, of uranium ore was stockpiled for the Combined Development Trust at Springfields, near Preston in Lancashire, because the McMahon Act did not permit it to be exported from the United States.
Split into simpler sentences: By the end of 1947, of uranium ore was stockpiled for the Combined Development Trust at Springfields, near Preston in Lancashire. It was stockpiled in Britain because the McMahon Act did not permit it to be exported from the United States.