Explanation:
The Essex rebellion was important for Elizabeth han England because it showed that Elizabeth's control on her kingdom was fading by the end of her reign.
Essex's rebellion showed that the most poweful people in England were willing to disrespect her and fight against her.
Robert, Earl of Essex.
Consequences of the rebellion: The Essex action collapsed, the Cecil faction fully dominated the Court. Robert Cecil used the failed rising to show himself as a cool political operator, this made him look good in the eyes of Elizabeth's eventual successor, James VI of Scotland.