1.What did the Townshend Duties do?

Question

2.What was the principle of virtual representation?

Answer 1

http://www.britannica.com/EBchecked/topic/601114/Townshend-Acts

http://www.history.com/topics/townshend-acts

http://www.let.rug.nl/usa/essays/before-1800/townshend-duties-dylan-van-rijsbergen.php