Answer:
The Vienna Convention on Diplomatic Relations of 1961
The president has to approve
It was Poland that was a communist state during the Cold War. This was due to the fact that it had fallen under Soviet control after World War II, and the Soviets were communist.
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "near rivers or oceans" since people tend to inhabit these areas due to the resources they provide.</span></span>