Why do you have to seek for what is true?

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used

Cattle are herbivores by nature and feeding herbivores a diet for carnivores may have triggered a protein reaction known as a prion causing mad cow disease

When did cornwallis surrender? a) january 1781 b) april 1781 c) july 1781 d) october 1781