In what ways can the study of economics you and your family in your daily lives?

The study of economics allows you, as a consumer, to be more education about the world around you.

This could mean better decision-making about major purchases, especially if demand is high. For instance, AC units will cost more during a heat wave than a snow storm, so a prudent person with an understanding of economics can plan ahead and get a better value.

the british won and the germans couldn't invade great brit

i think the answer is b.