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: Seoul, South Korea (CNN) -- North Korea on Monday fired more projectiles into the sea off its east coast, South Korean officials said, urging Pyongyang to refrain from "tension-creating acts." But Pyongyang described the launches as a "regular military exercise." The South Korean Defense Ministry still needs to analyze exactly what the North has been firing for the past three days, said Choi Yong-su, an official in the ministry representative's office. They could be short-range missiles or a new kind of large-caliber artillery rocket, the ministry said. The North fired three projectiles into waters off its east coast Saturday and a fourth Sunday. It fired two more Monday, Choi said.North Korea says the launches are a "regular military exercise"North Korea has fired six projectiles into the sea over the past three days, Seoul saysThe South says they could be short-range missiles or large-scale artilleryThe North last week criticized the presence of a U.S. aircraft carrier in the region 
 Question:Before last week, tensions in the region had eased from a period in March and April that included near daily _ threats of war against South Korea and the United States.

A: North Korea
****
Q: (CNN) Half his country may not support his efforts at peace, but Colombian President Juan Manuel Santos now has a Nobel Peace Prize for pursuing a deal to end the longest-running war in the Americas. Santos accepted his award Saturday after brokering a deal to stop the fighting in the 50-year conflict with the leftist rebel group Revolutionary Armed Forces of Colombia, better known by its Spanish acronym, FARC. "After six years of serious and often intense, difficult negotiations ... this agreement marks the beginning of the dismantling of an army and its conversion into a legal political movement," he said at the ceremony in Oslo, Norway.President Juan Manuel Santos honored for peace deal to end decades-long civil warColombia's Congress passed the deal after voters repudiated it in a referendum 
 Question:_ leaders who signed off on the deal were not in attendance as the ceremony's host country, Norway, still considers the group a terrorist organization.

A: FARC
****
Q: (CNN) Secretary Ryan Zinke, last week I turned in my US Department of the Interior credentials and reluctantly walked away from public service. Today, I call on you to do the same and resign as secretary of the Interior. Since you were sworn in on March 1, you have demonstrated contempt for the agency's mission and its devoted employees. As I described in my resignation letter, I quit my position because of your spectacularly poor leadership, reckless waste of taxpayer dollars and disregard for the dangers of climate change -- all of which are putting American well-being and the economy at risk.Joel Clement: Secretary Ryan Zinke has shown contempt for the Department of Interior's mission and its employeesHis priorities lie with President Trump and special interests, not the American people he should be working for, writes Clement 
 Question:You eliminated a rule that helped prevent oil, gas and coal companies from cheating _ taxpayers on royalty payments.

A:
American
****