Just start by remembering what was your first day of school like.
The answer is C: - <span>People migrated about Eurasia and dialects developed due to the isolation of cultures.</span>
The answer that best completes the above sentence is "Positive self talk"
This is firstly because, internal motivation comes from with oneself, and not form another (motivation from another person is external motivation). Having said that, in motivating oneself, it is important for a person to be able to talk positively to themselves; this increases self-esteem which in turn leads to increased motivation.
It is B sentence 5, due to the fact that it is the only one that does not mention England directly I’m not sure if it will help