Albert Barnes Commentary Jeremiah 45:4

"Thus shalt thou say unto him, Thus saith Jehovah: Behold, that which I have built will I break down, and that which I have planted I will pluck up; and this in the whole land." — Jeremiah 45:4 (ASV)

land - Or, earth. Baruch’s lot was cast in one of those troublous times when God enters into judgment with all flesh (Jeremiah 45:5). It was not Judea only but the whole known world that was thrown into turmoil by Nebuchadnezzar's energy (Jeremiah 25:26).