How did countries afford to stay neutral in wars, primarily WW1 and WW2?

Question

In WW2 the likes of Spain, Portugal and Switzerland remained neutral, how could these countries stay neutral?

What stopped the Axis powers from invading these countries to add to their countries?

In: 278

Answer 1

For example the netherlands was so poor it couldn’t afford weaponry or armoured vehicles, hence it was better for us to be neutral then lose 90-100% of the population