The US has a president, most EU countries don't have most of the power concentrated in one person! as a side effect, US presidency is winner take all, that forc

The US has a president, most EU countries don't have most of the power concentrated in one person! as a side effect, US presidency is winner take all, that forces 2 party system. parliamentary systems don't have that side effect. Add money contribution system of US to the mix and voila you are going to get the same system no matter where on earth it is located!