The five eyes, would have hard records for any data sent between the US and any foreign country. This is the primary purpose of the NSA and the NRO. Even if encrypted, it is a relatively easy task for our intelligence agencies to read anything that is encrypted, if they priortize it. I would assume the Russians and Chinese would also have copies of this data, and can decrypt anything that was sent out of, or into the US.
Yes you are correct.
Do you find it interesting that The Donald watched election returns in the Sensitive Compartmentalized Information Facility (SCIF) at the White House?
Any significance to that, ya think?