Provide four examples, two from before the Great War and two from after the Great War, of how specific ideas from philosophy, physics, psychology or literature challenged the existing European intellectual ideas.

d) a constitutional amendment

a agree i agree becuase it is very importnat for example it can tlel you about your past for exmaple   the first culture was the semerians which people are sitll tryignt o uncover there secrets the wall is just anohter treasure that has thousnads of secrets in it to be uncovered

there are more than a million jobs out there

explanation:

they pay you money for doing work