I think is iron and machinery.?
Well, I can tell you for sure that a is not the answer. But I think the answer would be b.
Your answers are A, C, and D :) I just got this test done and these were the correct answers :) Just incase anyone says its false I have the screenshots lol :P
<span>There were 49 infantry divisions that were destabilized and experienced repeated episodes of mutiny in the French Army. For the Russian Army, a rebellion of the crew against their oppressive officers in June 1905 later came to be viewed as an initial step towards the Russian Revolution of 1917.</span>