Simplify the following text for a Grade 11 native English-speaking person.
Original: General Clinton , who was pursuing a campaign to gain control of the Hudson River Valley , was interested in plans and information on the defenses of West Point and other defenses on the Hudson River .
Simplified: General Clinton , who was pursuing a campaign to gain control of the Hudson River Valley , was interested in plans and information on the defences of West Point and other defences on the Hudson River .