They were suffering droughts
Probably in several ways, but the most obvious is that the United States has not tried to overturn the government of Afghanistan. The ostensible effort in that country has been to attack terrorist groups that may or may not be based in Afghanistan, not the state. In Iraq and Libya, other conflicts the United States either instigated or participated in, the effort was to overturn and replace the actual government of those nations. Even in our somewhat limited involvement in the Syrian civil war, the stated objective has been to overthrow the dictatorship of the Assad government.
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Behavioral theory has influenced your friend’s thinking.
Behavior refers to the assortment of behaviours and etiquette that people, living things, systems, and artificial entities exhibit in a given context. These systems may consist of both the inanimate physical world and other systems or species. It is the system's or organism's calculated reaction to different inputs or stimuli, whether internal or external, conscious or unconscious, overt or covert, and voluntary or involuntary.
From the standpoint of behaviour informatics, a behaviour is made up of an actor, an operation, interactions, and their attributes. As a behaviour vector, this can be represented.
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