That any government of the day can not spend taxpayers money outside of the uk

Background

The government do not have any money they are custodians of the public purse.the government should not be allowed to send money out of the country to schemes and projects that do not directly benefit the British public.without 80% parliamentary majority

Additional details

Government have constantly wasted the public purse making taxpayers suffer for the benefit and unscrupulous academics and countries abusing the British compassion while the population of the British Isles suffer under punitive taxes