Kamala Harris (US Vice President) making some statement on the Russia and Ukraine problem said US and her aligns will impose unprecedented economic sanction on Russia if they continue to evade or attack Ukraine. So I'm wondering what kind of unprecedented economic sanction can be given to Russia if they continue to evade Ukraine.
The US will no longer impose any sanctions on Russia. Even when Ukraine itself demanded that the US should impose sanctions on Russia, the US refused their request.
This is reasonable, considering that if the US imposes more sanctions on Russia this will have a bad impact on relations between Russia and the US, which will provide a strong reason for Russia to reduce their supply of oil and gas to US allies. in Europe and this will also further strengthen relations between Russia and China, which the US does not want to happen.