Soviet economy make it all the more important for him to demonstrate momentum in foreign policy. This momentum must be achieved without giving an impression of weakness or overeagerness. No conceivable economic benefits would be accepted by either the elite or the majority of the Soviet people as adequate compensation for the abandonment of the much cherished dream of Soviet imperial greatness
Gorbachev is new to his role & rather inexperienced in foreign policy. So as a result of this its urgent that he not only proceeds on a new foreign policy strategy but to execute a successful plan. He needs to do it in a way that makes him appear as a strong leader from not only his people but to those who are watching him.