It could be argued that a political orientation that favors social progress by reform and changing laws rather than by revolution is called "liberalism," although it should be noted that some extreme liberals can be in favor of revolution as well.
C) the decline of zimbabwe
Explanation
C
“We are at the end of our string. There is nothing more we can do.
The sinking or Lusitania on 7 May 1915 was a significant event during WW1. It was a passenger liner sunk by German submarine during World War 1. It lead to America declaring war on Germany.