They can put the unions in an environment they feel comfortable in.
With the melting Ice caps the Ocean around us is rising. Making the land around the U.S. shrink. Now if we are talking in the past the land became larger around the iceage because of the freezing water.
Yes, I would have approved the use of atomic weapons had I been in President Truman’s shoes. I imagine having to resort to bombing is never an easy task, but I believe the president was only doing what he thought was best for his country; after all, that is his job. Though much damage was caused, many American lives that would have been lost in a land invasion were saved.