Critics of the "one world" vision argue that the view that economic interdependence makes war unthinkable has been proven wrong before

Which of the following was a reason why it made sense to begin European integration with the Coal and Steel Community?

A) Coal and steel were crucial to European recovery. B) Coal and steel are instrumental for war. C) Timber and steel were crucial for European growth. D) France and Denmark had been longstanding enemies and did not trust each other.

Controlled-experimentation is one of the most complex and costly evaluation designs, requiring a great deal of precision in application

Indicate whether the statement is true or false.