>the US only has two partiesThe two party system is only prevalent at the federal level, and even then there's roughy a dozen third party people.
But local level there's tons of independents, but at the federal level these independents ally with the two main parties.
It's idiotic to say we have two parties, because within said parties there is dozens of factions which could easily constitute an entire other political party if it was absolutely necessary.
>>97369743>The better question is why is the executive the head of stateYou realize head of state is the one that does diplomatic missions and such?
I believe you're thinking of head of government, and the only action that the president has in this regard is by signing bills into law. But if necessary Congress can, and has done before, get around this.