I thought that all sovereign nations had the authority to seize whatever they want at border crossings. I always travel with the assumption that all my belongin

I thought that all sovereign nations had the authority to seize whatever they want at border crossings. I always travel with the assumption that all my belongings (on my person) are subject to confiscation. This has two consequences: 1. I travel light and 2. If something doesn’t get seized that’s great news!