Recently, the United Nations International Court of Justice (ICJ) held a hearing in which Iran accused the United States of illegally freezing nearly $2 billion of its assets. Iran is demanding that the U.S. return its assets. It is not the first time the U.S. has frozen the overseas assets of other countries; it has done it many times in the name of sanctions, causing hardship for people all over the world. CGTN's Aaron Liu explains in this episode of BizBeat.