The ultimate goal of operation iraqi freedom was to :

Operation Iraqi Freedom (OIF), the U.S.-led coalition military operation in Iraq, was launched on March 20, 2003, with the immediate stated goal of removing Saddam Hussein's regime and destroying its ability to use weapons of mass destruction or to make them available to terrorists.

Explanation:

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as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.