Are you trolling? Technically there exist other parties, but USian election rules (especially FPTP) are mathematically proven to cause such a huge spoiler effect that, even when a big fraction of voters hate both viable parties, electing a single third-party congressman is very unlikely, and electing a third-party president is nearly impossible.
It is like saying that the Earth is not round, because, strictly speaking, it is slightly bulged.
Actually, there are other parties in the US. There is the Green Party and the Libertarian Party. Some drugs such as fentanyl are deadly if misused.
Are you trolling? Technically there exist other parties, but USian election rules (especially FPTP) are mathematically proven to cause such a huge spoiler effect that, even when a big fraction of voters hate both viable parties, electing a single third-party congressman is very unlikely, and electing a third-party president is nearly impossible.
It is like saying that the Earth is not round, because, strictly speaking, it is slightly bulged.
Third party candidates can affect an election by drawing off voters. Third party candidates can also present new ideas.