Assuming Belarus and russian (kilingrad) borders 626km in length, assume 1 km deep 626km^2, million/626= 1597

Then 1km2/ 1597 = 626

So 1 in every 20x30m space

If only 500m deep then one every 20x15m

That about the size of a house and garden

For future reference Amazon and eBay are full of counterfeit board games, and once reported do nothing about it other than refund you and remove the negative review. I usually go to independent known websites for games, or a store if they have what I want. An alternative to eBay would be boardgamegeek for used games, be careful with new games on eBay showing generic publisher provided imagery

Only when used correctly

Which is exactly the position you want to be in when you are not currently at war

Or just use Linux?