Are you asking who read his book? if so , I have
From the collapse of ancient Rome to the fall of the Mayan empire, evidence from archaeology suggests that five factors have almost invariably been involved in the loss of civilizations: uncontrollable population movements; new epidemic diseases; failing states leading to increased warfare; collapse of trade routes
The government persuaded citizens to lend money to the government by buying bonds.
to help pay for the French and Indian War
You need to Paste the Chart you are talking about in order for me to answer it