John Dickinson's "Letters From a Farmer in Pennsylvania" cast doubt upon the constitutionality of the "external tax[es]" levied by one of these acts.  
In response to a certain assembly's dissolution by the Baron de Botetourt, a group opposed to this program met at the Raleigh Tavern and voted to join an "Association" to resist it.  Lord Hillsborough ordered a certain colony's general court to revoke a letter voicing opposition to this program; when said body rejected the order, Governor Francis Bernard dissolved it straightway. That letter noted how a collection of colonies were "separated by an ocean of a thousand leagues," thus making Parliamentary representation impractical.  The "Massachusetts (*) Circular" letter was written by Samuel Adams in response to this program, and these acts led to the seizure of a sloop owned by John Hancock, the Liberty. John Dickinson's "Letters From a Farmer in Pennsylvania" cast doubt upon the constitutionality of the "external tax[es]" levied by one of these acts.  For 10 points, name this set of laws aimed at generating additional tax revenue from the American colonies and named for Lord North's Chancellor of the Exchequer.
In response to a certain assembly's dissolution by the Baron de Botetourt, a group opposed to this program met at the Raleigh Tavern and voted to join an "Association" to resist it.  
the Townshend Acts