It was established in option b.1911
Answer:
Erasmus Jacobs
Explanation:
The story of diamonds in South Africa begins between December 1866 and February 1867 when 15-year-old Erasmus Jacobs found a transparent rock on his father's farm, on the south bank of the Orange River.
Answer:
I think its brown, sorry if I'm wrong.
Explanation:
It would be either a or d since both were in demand yet after the war the army wast buying as many automobiles and they couldn't sell as fast as they were and everyone wanted household goods so they were mass produced until it ran out of consumers to buy the products.