Before revision: "Public interest", Random House Dictionary While it has earlier philosophical roots and is considered to be at the core of democratic theories of government, often paired with two other concepts, convenience and necessity, it first became explicitly intergrtaed into governance instruments in the early part of the 20th century.
After revision: While it has earlier philosophical roots and is considered to be at the core of democratic theories of government, often paired with two other concepts, convenience and necessity, it first became explicitly intergrtaed into governance instruments in the early part of the 20th century.