The two Koreas are once again making world headlines. South Korea carries the 2018 Olympic flag, organizing the 23rd Winter Games. North Korea, meanwhile, has the world on edge with its nuclear arsenal. Until the post-WWII division into two countries in 1945, Korea was united. We wonder: Which of the following statements are true about South Korea today?
A. It has the most heavily automated industrial sector.
B. Its people work more hours per year than any other OECD country.
C. Its GDP is at least 52 times larger than North Korea’s.
D. It has problems with corruption.
People around the world can expect to live ever longer as global public health and other factors improve. We wonder: How many months of life expectancy at birth has the world’s population gained annually since 2000?
A. Two months
B. Four months
C. Five months
D. Seven months
Russia’s population is the world’s ninth-largest. At 143 million, Russia has about 13% more people than 10th-ranked Japan. We wonder: On which of the following categories does Russia rank first worldwide?
A. Cigarette consumption
B. Defense spending
E. Natural gas reserves
F. Land area
In 2009, a wave of protests gripped primarily Tehran, following what millions of Iranians believed was a rigged presidential election result. The protests that erupted across the country in December 2017 had more complex roots. We wonder: Which of the following factors were key?
D. Lack of transparency
The United States has long drawn immigrants from Latin America. This is often due to the lack of economic opportunity in their home countries. We wonder: Which of the following Central or South American countries has the lowest median income?