However, there was much speculation and controversy regarding this decision. This has been the subject of controversy and speculation. This fuelled speculation that he may have been assasinated. The announcement ended months of speculation over the pregnancy. This spurred speculation of rapid real estate development in Canarsie. His demise has been the subject of some academic speculation. This has led to much speculation and argument. This ended months of speculation over his future. Those ministers involved in the allegation of illegal real-estate speculation were already replaced. This period saw the expansion of business and widespread speculation. But assertions, speculation, and testimonials do not substitute for evidence. Still, negotiations continued during a month of speculation. There is much speculation about this voyage. The case against her left speculation about her future. It has been the subject of much speculation ever since.