 Complete the following phrase:  After serving as Shadow Secretary of State from 1962, he became Secretary of State for Scotland in 1964 under Harold Wilson. The Conservatives held government from 1970 to 1974, when Ross resumed his position until he lost office when Wilson resigned in 1976. During his tenure he was responsible for the creation of the Highlands and Islands Development Board and the Scottish Development Agency, the forerunners of Highlands and Islands Enterprise and Scottish Enterprise respectively. Ross campaigned for a No vote in the 