That's exactly why Switzerland didn't got invaded in the last century. Every side depended on them for money supply, so they couldn't risk bringing the war to

That's exactly why Switzerland didn't got invaded in the last century. Every side depended on them for money supply, so they couldn't risk bringing the war to Switzerland. Also it had a track record of staying neutral, so they didn't feared it may pick a side, because it largely made money from selling stuff from both sides.