Hello can help me answer this question: How did the story? Geography ? Geopolitics? Can they shed light on the Afghan crisis of summer 2021.
Thank you in advance my subject is geopolitics.

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen

True. all the continents were once together, but they began to move apart as time went on. 

Some proof is the mountains in argentina seem like they connect perfectly with mountains in africa. north america was attached to other continents over 250 million years ago and it touch south america, africa, and northern europe.