Those were tragic unwanted accidents. But look at the fall and collapse of Western Rome, Spanish Empire and Chinese Dynasties, a foreign power will help to brea

Those were tragic unwanted accidents. But look at the fall and collapse of Western Rome, Spanish Empire and Chinese Dynasties, a foreign power will help to break down our stability in less effective regions and forcing them fight against each others promoting perpetual inequality. Look at the Balcanes or the breakdown of any large enough empire which achieved unity for long enough.