Answer:
Formal language is more common when we write; informal language is more common when we speak. However, there are times where writing can be very informal, for example, when writing postcards or letters to friends, emails or text messages. ... Most uses of English are neutral; that is, they are neither formal nor informal.
If you are asking about his troubles with the Cicones, then it is his crewmen he blames.
Answer:
Over the course of the narrative, Pepys works to root out corruption in the navy, commits some of his own corruption, and is an eyewitness to major historical events of the time. These include the Great Plague of 1665 and the Great Fire of London in 1666, two events where he helps keep order.