Who is antagonist in book The White House by Roland Smith?

The antagonist in Roland Smith's *The White House* is not a single person, but rather a group of terrorists who plan to attack the White House and potentially the entire United States.

While we never learn their specific identity or motivations, they are clearly a well-organized and dangerous group. They exploit the vulnerabilities of the White House's security systems, utilizing advanced technology and cunning tactics to carry out their attack.

The book emphasizes the chilling fact that the threat of terrorism is real and constantly evolving, making it a suspenseful and thought-provoking read.