English win at the Battle of Solway Moss in 1542, James V died shortly after, Mary was heiress to the throne but was an infant.
Henry failed to follow it with a full-scale Scottish invasion following the battle of SolwayMoss as henry’s main interests was military glory in France again at the end of his reign.
“Roughwooing” policy, Scots refused to marry Mary and Henry’s son Edward due to suspicions of intent.
Children declared to be betrothed in Treaty of Greenwich in 1543 which said Mary would be raised in England, fell apart, Scots refused!
1545 = Battle of Ancrum Moor, Scotland won, failure of the rough wooing.