barriers to communication वाक्य

In the last few years, as North Korea's economic situation has grown more desperate, the barriers to communication have eased ever so slightly _ in part, it seems, so the North Korean police, soldiers and postal agents can skim off money sent to relatives by South Koreans.
Despite these differences, communication between Auslan users from different regions poses little difficulty for most Deaf Australians, who often become aware of different regional vocabulary as they grow older, through travel and Deaf community networks, and because Deaf people are so well practised in bridging barriers to communication.