Experience has taught me never to trust a policeman. Just when you think one's all right he turns legit.
The betrayal of trust carries a heavy taboo.
Let's say a Soviet exchange student back in the '70s would go back and tell...
Deciding whether to trust or credit a person is always an uncertain task.
Espionage for the most part involves finding a person who knows something...
In the industrial revolution Britain led the world in advances that enabled mass production: trade exchanges transportation factory technology and new skills needed for the new industrialised world.
