Because of the insistence by some that the US is a 2-party system. I pointed out that the US Constitution requires no such thing. That was the topic of discussion.
You reinforce my point by inferring that political parties aren’t mentioned in the US Constitution.
Functionally, it is a two-party system, but it’s certainly not a requirement. Third parties have, in the past, made tremendous headway (see Republicans over Whigs).
“Because of the insistence by some that the US is a 2-party system. “
We are simply stating a historical fact, that’s all.
Yeah, we’ve had 3rd parties as well for our history, and yeah, they almost never win any elections, least of all the President.