The mechanical failures were compounded Cause_to_amalgamate by the initial failure of plant operators to recognize Know the situation as a loss-of-coolant accident due to inadequate Cause_to_make_progress training Practice and human factors , such as human-computer interaction design oversights relating to ambiguous control room indicators in the power plant 's user interface .

Black Hawk 's motives were ambiguous , but he was apparently hoping to avoid Preventing_or_letting bloodshed Violence while resettling Placing on tribal land that had been ceded Surrendering to the United States in the disputed Agree_or_refuse_to_act 1804 Treaty Sign_agreement of St. Louis .

Some terms were ambiguous in the treaty , and concerns of various Indian tribes were not included Cause_to_be_included , thereby setting Placing the stage for future conflicts Hostile_encounter .

In the official report it was said Telling that the first of the flagmen gave Giving no indication and the second gave Giving an ambiguous signal which was seen Perception_active by the fireman but not properly understood Coming_to_believe .

since investigations to establish Building the location from where the shells had been fired led to Causation ambiguous results .