and five years of research shows that the gulf is coming back faster than predicted. we've toughened safety standards too. including enhanced training... and 24/7 on shore monitoring of our wells drilling in the gulf. and everyone has the power to stop a job at any time if they consider it unsafe. what happened here five years ago changed us. i'm proud of the progress we've made both in the gulf and inside bp. portugal began the african slave trade in europe about 50