Original sentence: Supporters of Scottish independence claim that the loss of a truly Scottish voice in the world damages the prospects of the nation, and that the British government acts primarily in the interest of the entire United Kingdom, often to the direct detriment of Scotland and its people.The issue of Scottish independence, or sovereignty, has been a major issue within the politics of Scotland for the best part of thirty years
Edited sentence: Supporters of Scottish independence argue that the loss of a truly Scottish voice in the world damages the prospects of the nation, and that the British government acts primarily in the interest of the entire United Kingdom, often to the direct detriment of Scotland and its people.The issue of Scottish independence, or sovereignty, has been the single most dominant issue within the politics of Scotland for the best part of thirty years