New Delhi, Jan. 21 -- Prolonged fighting exposes the limits of US and EU policy, with battlefield realities undermining Western assurances and leaving Ukraine increasingly dependent on uncertain support.

Nearly four years into the Russia-Ukraine war, the central promise underpinning Western strategy, that sustained military aid and economic pressure would decisively weaken Moscow, is increasingly difficult to sustain. As the Russia-Ukraine war grinds on, hardened front lines and stalled diplomacy point less to resolution than to strategic drift in Washington and European capitals.

Russian forces have continued to apply pressure across multiple axes, exploiting advantages in manpower, artillery depth, and industrial mobilization. Ukraini...