<span>The origin of the 1905 revolution ran back to the recently-concluded Russo-Japanese War, in which Japan placed a serious check on Russia's power to expand in East Asia. Many Russians saw this outcome as a source of humiliation, and supported an effort to remove the Tsar as a result.</span>
B. The decision of the case
I believe it was A, if I'm not mistaking.
Answer:
The efficiency of the assembly line.
Explanation:
Since the assembly line was able to take care of things with ease, less labor was required to make these things. This meant that the workers did not need to be paid as much. And since not much effort was required to make the things, the cost could lower as time went on. On a side note, this is also why Ford's sales tripled; their things became much more affordable compared to how much they costed previously.
The best answers for this question would be answers A. B. E. F. H.