<span>Thomas Jefferson reduced government spending by
</span>cutting the debt
I believe the answer is: Benjamin disraeli
The challenge that initiated by Benjamin Disraeli damaged the relationship between the British empires and their colonies.
Before this, British empire colonized other countries for a trade/business relationship. But with Disraeli's new way of thinking, more of them were advocated to make the colonized countries become a part of the British empire and heavily involved in their politics.
To design and implement a better sewage drainage system for the city
(C) Byzantines General who helped expand the empire .