 Complete the following phrase:  In 1959, Cooper obtained 2.5-litre engines for the first time and Brabham put the extra power to good use by winning his first world championship race at the season-opening Monaco Grand Prix after Jean Behras Ferrari and Stirling Mosss Cooper failed. More podium places were followed by a win in the British Grand Prix at Aintree after Brabham preserved his tyres to the end of the race, enabling him to finish ahead of Moss who had to pit to replace worn tyres. This gave him a 13-point championship lead with four races to go. At the 