C. Digs in ruins to find artifacts to study. I hope this helps.
Should be the second answer (b)
They were used as slave labourers
In my opinion, it wasn’t fair. It blamed the entire war only on Germany, which caused them to have a severe economic depression and crumbled their entire nation. This is one of the reasons why Germany started WW2. Germany also wasn’t the only nation that completely started WW1, it started when a Serbian terrorist group assassinated the Archduke of Austria- Hungary.
Which results in waves in the ocean.