I believe the correct answer to your question is parallel. I apologize for the late answer and if the answer I provided is incorrect.
So, when were talking about a market order, we are talking about buying or selling an order to immediately at current market prices. So, we might want to imagine a scenario when the current market prices drop. However, we would always, in any scenario prioritize certainty of execution over the price of execution. The order is filled at the best price available at the relevant time.
The factor that effects the maximum range is Altitude
I assume you mean during world war 2 what was one of the first places Germany invaded which if that's the case it would be Poland
Beaver, otter, and mink furs