Against the Canadian dollar , the greenback was trading nearly flat at C $ 1.3252 < CAD = > after the Bank of Canada kept key interest rates unchanged .
Against the Canadian dollar , the greenback rose 0.15 percent to $ 1.3260 < CAD = > as the Bank of Canada kept key interest rates unchanged .
" However , the report also tells us that once the problem grew to a certain magnitude , nothing could have been done to prevent it from cascading out of control . "