President Joe Biden seized $7 billion in assets belonging to the previous Afghan government on Friday with the aim of splitting the funds between victims of the 9/11 attacks and desperately needed aid for post-war Afghanistan. The unusual move saw the conflicting, highly sensitive issues of a humanitarian tragedy in Afghanistan, the Taliban fight for recognition, and the push for justice from families impacted by the September 11, 2001 attacks collide, with billions of dollars at stake. The first stage was simple: Biden formally blocked the assets in an executive order signed Friday. The money…