What colonial issue led to Salutary Neglect?

Salutary neglect, policy of the British government from the early to mid-18th century regarding its North American colonies under which trade regulations for the colonies were laxly enforced and imperial supervision of internal colonial affairs was loose as long as the colonies remained loyal to the British government

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.