Mr Red the idea that Scotland was bankrupt so England stepped in to help is a very simplistic and Anglocentric view on history which doesn't stand up to any kind of serious scrutiny.

Scotland was in a bad way in the 1690s for various reasons and after Darien the Scottish Parliament came to the conclusion that the regal union simply wasn't working for Scotland as the monarch always favoured the interests of the larger kingdom over the smaller one. Some of the Scottish parliamentarians saw a fuller union as a solution as the situation as it was saw Scotland suffer through loss of normal trading partners because of association with England's wars - without having the benefits of full access to the emerging empire. However the solution the Scottish parliament chose was to distance itself more from England rather than a fuller union.

Various Acts were passed. In 1703 parliament passed the Act Anent Peace And War as well as the Wine Act. The first laid down the rule that the shared monarch could no longer take Scottish troops to war for the benefit of England without the consent of the Scottish parliament. The second declared that Scots retained the right to trade with countries if England was at war with said countries. Basically they were talking about France!

Then in 1704 parliament passed the Act of Security which declared that on the death of Queen Anne the Scots could choose a different monarch from England. Basically they were inviting the Old Pretender to be monarch with the proviso that there was a conversion to Protestantism.

That was when the English parliament started on their plans to secure a full union. The English passed the Alien Act. Basically Scotland was offered full union terms which included compensation payments to certain aristos for their losses at Darien. However if the Scots declined to accept this offer of union then Scotland could be barred from trading with England or anywhere within the empire plus it would be against the law for Scots to inherit property in England. As the royal court was in London many of the Scottish aristocracy also had residences in London hence their property was being threatened.

So rather than jumping in to help Scotland the truth is nearer that the parliament in England did not want a return to there being a second completely separate kingdom on the island so the Scottish parliament was economically pressured into accepting union with the implied threat of military intervention being there too.