Answer:
The first Persian invasion of Greece, during the Greco-Persian Wars, began in 492 BC, and ended with the decisive Athenian victory at the Battle of Marathon in 490 BC.
The correct answer to this open question is the following.
Unfortunately, you did not attach the quotations. Without quotations, we can't answer your question.
However, trying to help you with something, we can comment on the following general terms.
It is understandable that citizens have concerns that a President that is ending his administration stops working because a new one is about to take office. In the case of President Obama, as history shows, he never stopped working although he knew he was ending his period as US President. Until the last day in office, he and his cabinet members work for the benefit of the country. Until the last day, it is a normal day of work, helping the next administration to have a clear transition.
Since Galaxia economy is 10 times larger than myopia‘s, it is fair to assume that the capital stock in Galaxia is larger than in myopia. Given the law of diminishing marginal returns - the notion is that as additional capital is used to produce a good, the increments to output decrease - the marginal return to capital in Galaxia is not greater than myopia.
Therefore the answer is d) Myopia