Answer:
Claudius assigns Rosencrantz and Guildenstern to spy on Hamlet. He does this because he doesn't believe that Hamlet's love for Ophelia is the sudden change in his behavior. Claudius believes that Hamlet's behavior is due to him still being upset about his father's death.
Explanation:
Got it from google.
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The both are amazing seafarers and they both controlled the Mediterranean during their reigns. They also traded precious metals and weapons..