The Japanese Navy had a number of scenarios regarding the invasion of Australia, but lacked the troops to do it on their own. The Japanese Army believed it would take at least ten divisions to garrison the country, and neither had the troops to spare nor were they interested in this project.ORIGINAL: Beezle
If you have the Aussie government surrender and want to make the game somewhat realistic, you would have to put in some sort of garrison requirement as in China. Lest those Aussies start dry gulching the local Japanese admistration.
How many Japanese troops do you think it would take to garrison Australia? 6 Japanese per Aussie (so the Aussie had 2 Japanese following him around on each of he 3 eight hour shifts in the day)? More?
Anyhow, I can't imagine the Australian Government signing a peace treaty even if run out of town (Belgium was occupied for all of WW I and never surrendered officially) and I can't imagine Japan having the resources to conquer or garrison a country of that size. Were they so foolish to grab a chunk of Nortern Australia (Darwin and environs maybe) all they would get is one more sump to suck resources they desperately need elsewhere.
In WitP, a ten division garrison sounds about right.