The most likely reason Persia gave economic control to Russia and Britain was because they were torn from a revolution and needed the injection of cash and credit that this transfer would bring.
A) Thirty years war
he Thirty Years' War was a war fought primarily in Central Europe. One of the most destructive conflicts in human history, it resulted in eight million fatalities not only from military engagements but also from violence, famine, and plague. Casualties were overwhelmingly and disproportionately inhabitants of the Holy Roman Empire, most of the rest being battle deaths from various foreign armies.
The president under whom the federal budget had its first surplus in 30 years, in 1998 and then again in 1999, 2000 (the previous surplus was 1969) was Bill Clinton.