The strategic importance of Greenland is growing, and NATO has underinvested in Arctic security. But President Trump, intent on ownership, is rebuffing deals with Europe to solve the problem.
The closures were announced after a high-speed train derailed and smashed into another high-speed train, killing at least 39 people and injuring dozens.
The British prime minister said his country “must stand up for its values” after President Trump threatened a new tariff war over acquiring the island.
The country has seen a surge of unrest in recent days, including uprisings at prisons and the killing of police officers, which the authorities have blamed on gangs.
More than 1 percent of New Zealand’s population left over the year ending in October. Many of the migrants were chasing salaries and opportunities in neighboring Australia.
Europe’s dependence on the United States for NATO security limits its options. Its strongest response would be a trade “bazooka,” and other options are possible.