Answer:
Russia
Step-by-step explanation:
Trade sanctions are usually imposed on countries by others mainly as a result of illegal occupation of other terrritories or due to various humanitarian violations. Russia intervened through its military in the affairs of East Ukraine in what has been termed as the Russo-Ukrainian war. This actions were throgh a number of military actions from February 2014 till date and this affected the annexing of the Crimean peninsula, as well as the Donbas area of East Ukrain.
The trade sanctions imposed is to force Russia to reconsider its position and stop the military interventions .