Assignment due in 17 hours, need help

In Book V of Republic, Plato provides his definition for the term knowledge. How does he define this term?Are you satisfied with his distinctions between knowledge and opinion?

Why is having knowledge crucial to creating a just Republic? Provide a contemporary example to illustrate these points in a modern context.

Minimum 300 words

text required: http://classics.mit.edu/Plato/republic.6.v.html (Plato’s book The Republic, Chapter V)