Although the memoir by former top U.S. official John Bolton has been trashed by the White House, and a claim about a $8 billion troop-hosting demand selectively denied by Japan, the book offers a candid portrait of Prime Minister Shinzo Abe's for-better-or-worse relationship with U.S. President Donald Trump.

In "The Room Where It Happened," released Tuesday, the hawkish former national security adviser lays bare the apparent trials and tribulations Abe has faced in placating the mercurial American president while also managing to push his own goals — despite occasionally being burned by Trump.

Here's a look at some of the claims Bolton makes about the Abe-Trump bromance and the larger relationship between the U.S. and Japan: