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.
The Early Imperial Roman writers consistently rated Myron among the greatest of Greek sculptors, a sign that his contemporaneous reputation had remained high. The heifer seems to have earned its fame mainly by serving as a peg on which to hang epigrams, which tell nothing about the pose of the animal.
Answer:
Undergirding the development of modern Europe between the 1780s and 1849 was an unprecedented economic transformation that embraced the first stages of the great Industrial Revolution and a still more general expansion of commercial activity. Articulate Europeans were initially more impressed by the screaming political news generated by the French Revolution and ensuing Napoleonic Wars, but in retrospect the economic upheaval, which related in any event to political and diplomatic trends, has proved more fundamental.
Jimmy Carter while in Presidency was faced with five challenges which include; Inflation, Slow growth, Unemployment, Stagflation, and The second oil shock. This made it so President Carter persuaded the people into conservation and less spending. Companies were made to only pay 7% with any contracts they made new and old and the oil shock, which came from the iran revolution, made it so the people became more conservative and made oil cheaper by having to not pay for what wasn't used.