A strict watch is being maintained outside the Elsinore castle because the security of the castle is worried about Fortinbras trying to attack the castle.
<u>Explanation:
</u>
The Elsinore castle and Prince Hamlet living inside the castle are being tried to be secured from a possible attack from Prince Fortinbras of Norway.
Prince Fortinbras intends to attack the Elsinore castle to kill Prince Hamlet as a revenge for the killing of his father by Prince Hamlet.
The Spartans prevented the Athenians from forming an alliance with the Persians between 605-511 B.C. to stop the growing empire from nearing Greece and finding Greek allies.
One is for those who wish to attend an entire argument, and the other, a three minute line, is for those who wish to observe the Court in session only briefly.