Complex sentence should be the answer
Well it made people want to help the country and build hatred towards other countries.
I think it means sects like calvinism lutherism and salvationism
Internal. Which means "problems in the inside" as with themselves. For example, many people face depression, anxiety, paranoia----just to name a few. All of those are MENTAL illness that people have to battle with daily. External conflict/ battles, are with actual people.. something we can see. External means "outside". Hope I helped!
