The listed topics in the title are hot button subjects for American citizens. Some for far too long and some relatively new. These are secrets being kept from American citizens and or the World.
These subjects create concern, distrust, fear, resentment and even division among American citizens.
Full disclosure of the above topics would help people understand and prepare to overcome new challenges or hurdles we could face as an outcome from any of these disclosures or unknown threats. Bring back trust for the Federal Government. Unite people together. Most importantly, it would hold people accountable for wrongdoings and insure that anyone involved in these various topics do the right things when needed and required.