Trust
A trust was a group of companies legally bound together.
Enhance the flavour of the food, but ok he other hand it masks the overripe flavour and taste of the meat.
He changed their lives economically ,,at that time the workers had to take about 1 000 000 bills to get a loaf of bread ,,they were poverty stricken.. but Hitler promised them food and life ...BUT he was trying to create a utopia but failed...
The answer is, b. he covered up evidence of criminal wrongdoing.