How did the Townshend Act lead up to the Revolutionary War?

The Townshend
Acts of 1767 grew out instability in London's government. William Pitt was named prime minister
in 1766, but he no longer had his full cognitive abilities. Because of Pitt's inability to
govern, Charles Townshend (1725€“67), chancellor of the exchequer, emerged as the leading voice
of the cabinet. Townshend was erratic and had a great deal of contempt for Americans. He sought
to reassert London's control...