H. J. RES. 202 is a joint resolution that provides a formal apology from the United States to the Republic of the Marshall Islands for the nuclear weapons testing program and related radioactive waste disposal that caused significant harm to the people and environment there....
Simple Explanation
The United States wants to say sorry to the Marshall Islands for testing big bombs there a long time ago, and they promise to help take care of the land and people, but they aren't saying exactly how yet.