Quiz

We can recall everything we know about Australia: convicts, kangaroos, winter in summer, most cities are ports. (also rabbits and theater, but that's not the era yet)
And about Scotland: thistle, whiskey (doesn't make sense), kilt, cello, an inflated sense of sovereignty...

Added 2 minutes later
At first, I thought about something related to ships, like storing them directly in the holds, but it seems that would be even more expensive.