A denial strategy cannot in itself produce victory, especially in a conflict involving insurgents….

A denial strategy cannot in itself produce victory, especially in a conflict involving insurgents. “We fought a military war; our opponents fought a political one,” he wrote. “We sought physical attrition; our opponents aimed for our psychological exhaustion. In the process we lost sight of one of the cardinal maxims of guerrilla war: The guerrilla wins if he does not lose. The conventional army loses if it does not win.”

–Henry Kissinger https://www.nytimes.com/2017/09/16/opinion/trump-afghanistan-vietnam-war.html?smid=tw-nytopinion&smtyp=cur