Amurka ta yi kiran da gaggauta kawo karshen tashe-tashen hankulan da aka fara watanni biyun da suka gabata, bayan da shugaban kasar ya janye daga tattaunawar karfafa huldar tattalin arziki da kasashen Kungiyar Tarayyar Turai, ya kuma maida hankali kan karfafa alaka da kasar Rasha.