The correct answer for the given question above would be option C. The events in options A, B and D took place during the Russian revolution except for a <span> democratic president was given power. Hope this is the answer that you are looking for. Have a great day!</span>
Besides geography, the major issue that would have made this impossible is that each "country" or state in South America was dominated by a different ruler, many of whom had fought of the Spanish--meaning that they would have never united under one title. Their cultures were also wildly different.
I believe the answer is B