Did you just leave out Afghanistan! A country Invaded by the most number of superpowers. Persians, Greek, Arabs, Mongols, Turks (Mughals) in ancient times and The British, Soviets and US in modern times and it has Survived them all. The Afghans repelled these invaders with outdated and simple weapons.
“The Mongol Empire carried out several invasions of the Indian subcontinent from 1221 to 1327. Some of these invasions were punitive raids intended for plunder while others were carried out with the intention of occupying key city centres. The Mongols suffered a series of defeats when the Delhi Sultanate undertook military campaigns against them in the mid-1300s.”
Though the centuries several countries trying to take Russian land,and we all know how successful they were.When you think that you can do better,just go to Ukraine,take a rifle and fight?You fkg I'd.ot.