Review by the US Supreme Court of the constitutional validity of a legislative act
The correct answer to the word that should be in "what" is "culture".
A myth is a story which is considered part of the tradition of a group of people or civilization. It is normally associated with the explanation for a phenomenon which occurred in the past that involves supernatural individuals or events.
First, you have to summarize what is happening in the story. A country mouse invites his city mouse friend to his fields for dinner. The city mouse does not enjoy his dinner, so he invites the country mouse to his house. They cannot eat because they are constantly in danger.
, if a subject is singular, its verb must also be singular; if a subject is plural, its verb must also be plural.