A large active duty military force is a feature in certain
countries. Maintaining an active military force is dependent on factors such as
political will, magnitude of perceived external threats, and availability of
up-to-date military technology. Despite the expense of maintaining an active
military outfit, those are the good reasons why relatively low GDP nations like
India, China, North Korea, Pakistan, Vietnam and Myanmar are able to maintain
high scores in terms of active military personnel.
I think the answer is plate movement. Tectonic plate movement is the movement on the lithosphere. This movement is defined into three; we have the convergent, divergent and transform. Plate movements often caused volcanic eruptions as well as earthquakes, depending on the movement on the plates.
B. Napoleon invaded Spain and Portugal - situation in Europe particularly in Spain provided an opportunity for Spain's overseas territories to fight for their independence. Napoleon's army occupied Spain and Portugal where he wanted to change a king which resulted into civil war.