Mesopotamia is a name for the area of the Tigris–Euphrates river system, in modern days roughly corresponding to most of Iraq plus Kuwait, the eastern parts of Syria, Southeastern Turkey, and regions along the Turkish-Syrian and Iran–Iraq borders.
It can be related but as we say in social science, correlation is not causation.
As such, D is correct as some believe that using suicide bombing is their way of fulfilling a sacred duty. Suicide bombing is merely the vehicle by which they are fulfilling, however misguided, their religious duty.
https://history.state.gov/milestones/1750-1775/french-indian-war
The factors that encouraged commercial growth in the post classical era include the following: new state practices, new trading organisations and new state sponsored commercial infrastructures. The post classical era refers to the period which immediately followed the ancient history and precede modern history.
