The fifth amendment also protects people from testifying against themselves.
Interdependence-nations relying on each other, global just means world wide. A lot of people depend on other people for imports of food and other stuff, like how West Berlin depended on the Air Lift back in the Cold War.
The world is feeling the fallout from rising temperatures and changing climates. Disasters are getting stronger and more frequent. Droughts are lasting longer. Weather patterns are less predictable. Farming practices that were once stable are no longer effective. Smaller harvests leave families with less to eat and sell.