In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

[Q]: Washington (CNN) North Korea might not be able to reach the U.S. mainland with a nuclear weapon yet, but the political fallout from its claimed hydrogen bomb test is here already. Even before the shockwaves of the 5.1 temblor triggered by Tuesday's test wore off, Hillary Clinton was fighting off a volley of Republican attacks, GOP presidential candidates were talking tough and Donald Trump jumped on a chance to chastise China. The episode was a fresh indication of the challenge that Clinton faces in running for the White House on her record as secretary of state, which makes it impossible for her to escape deficiencies in President Barack Obama's national security legacy.The episode is a fresh indication of the challenge that Clinton faces in running for the White House on her record as secretary of stateWashington has tried punishment and inducements repeatedly with North Korea and has failed to change its calculations 
 Question:He then toughened his stance by including _ in his "axis of evil."
[A]: North Korea


[Q]: British buyers will get first bite of the cherry on new apartments being launched in Canary Wharf, the heart of London's banking hub. The move has turned on its head the controversial practice of heavily promoting new-build London developments to wealthy overseas buyers - particularly in the Far East. The first residential offering from Canary Wharf Group, which has previously specialised in commercial property, goes on sale on Thursday 9 July 2015. Unlike the Battersea Power Station development, where controversially, the majority of 866 luxury apartments sold out within days to Singaporean investors looking for a bricks and mortar safe haven for their cash, the new offering in Canary Wharf will not be advertised overseas.Canary Wharf flats will not be marketed overseasDevelopers of other London new-builds criticised for marketing in Far EastBut Canary Wharf Group says it is not feasible to exclude non-British buyers 
 Question:The second part of my tale is the fact I visited Canary Wharf Group's offices earlier in the year, and was given a whistle-stop tour of _ in a bid to change my mind about the area.
[A]: Canary Wharf


[Q]: The price of first class stamps could be capped by the postal watchdog, it was announced yesterday. Royal Mail could be made to fix or even slash the amount it charges for delivering post as part of a wide-ranging inquiry by regulator Ofcom. The newly-privatised firm has been accused by MPs of taking the ‘easy option’ by increasing stamp prices to boost profits rather than improving its service and efficiency. In March, first and second class stamps rose by a penny to 63p and 54p respectively, sparking claims that the public was being forced to prop up flagging letters revenue.Ofcom announced a 'fundamental review' into the Royal Mail on TuesdayPostal watchdog is looking into whether the price of stamps should be setIn March price of first and second class stamps rose by a penny eachSecond class prices already capped at rate of inflation by first class aren't 
 Question:_ has a legal obligation to deliver letters to every home six days a week, including the remotest areas, for the same price - known as the universal service.
[A]:
Royal Mail