For sustaining the economy to survive the most or the least amount of damage, which may have to keep an eye on each other as long as currency wars around the world seem to have just started to open up, only explicit scenes.
To prop up the economy to survive, at best, or least damage. This may be in focus of another. The global currency war seems to have opened up clearly only just beginning.
To sustain the economy to survive optimally or damage is minimal. Which may keep for a long time. Because of the war, the world seems to have just opened up clearly.