Scotland was an independent nation from 1357 to 1601.
In 1601 the King of Scotland became King of England by inheritance and in 1707 the Scottish Parliament voted to join England in the United Kingdom.
The existing Union between Scotland and England is voluntary and has nothing to do with conquest.
And the Scots today bear little resemblance to William Wallace, since the Scottish Parliament and the Scottish National Party are aggressively socialist and believe in coercively disarming the people.
"Scotland was an independent nation from 1357 to 1601."
As documented by the 1320 Declaration of Arbroath & the content of same linked within my initial comment, Scotland was an independent nation long before you say.
To accept the Union is voluntary one must obviously ignore the genocidal realities of little matters like the massacre that was Culloden and the Highland Clearances:
