An extreme faction of this group, including men such as David Hackston and 
An extreme faction of this group, including men such as David Hackston and Donald Cargill, published a pamphlet called the Informatory Vindication. Their numbers included the teenager Margaret Wilson, who became one of the "Wigtown Martyrs" after she and an elderly woman also named Margaret were put to death by drowning. A faction of this movement known as the "Society Men" issued the Sanquhar Declaration, under the leadership of Richard Cameron and later James Renwick. Robert Woodrow coined the term for a period of suffering undergone by members of this group who refused to take the Oath of Abjuration, or were accused of participating in the rebellion at Bothwell Bridge. That period of their suffering is called the "killing time." Another leader of this movement, Alexander Henderson, wrote a document which allied this group with Parliament during the English Civil War. For 10 points, name this group of Scottish Presbyterians who agreed to form a "Solemn League" in 1643, and were named for the pact in which they pledged to uphold their religion.