She said this during a congressional hearing.
The broadcast was hosted by C-SPAN.
Responding to a question from Republican Senator Rand Paul, Nuland said she would support easing sanctions against Russia under such conditions.
She also added that US Secretary of State Anthony Blinken would also support this.
On January 26, the US announced new anti-Russian sanctions.
The US authorities are imposing visa sanctions against 531 representatives of the Russian Armed Forces.