Final answer:
William of Orange plotted to invade England after his previous plot to have Elizabeth killed was discovered. He wanted to involve England in his war against France.
Step-by-step explanation:
In April 1688, William of Orange, a Dutch prince and husband of James's oldest daughter, expressed his willingness to invade England if invited by men with the nation's best interests at heart. This plot was discovered, and William went ahead with his invasion, with the prevailing theory being that he aimed to involve England in his war against Louis XIV's France.