 Gideon advised the government in the issuing of a loan, taking a significant chunk himself.This stabilised the situation and by the time that the Jacobite advance into England had halted before it reached London and the momentum switched as they were now in retreat back to Scotland, Gideon had doubled his wealth.The Jacobites were subsequently defeated at the Battle of Culloden and in the aftermath the Gaelic culture and Scottish clan system of the Highlanders was significantly degraded.