Tariffs have been applied over the years to protect homegrown industries and target competitors who are seen as using unfair trade practices. They impose costs on both importers and exporters and had been in decline until the recent U.S.-China trade war.

Once locked in war, Vietnam and the United States have built mature ties rooted in mutual economic and security interests.

Boko Haram, known for mass kidnappings, bombings, and other acts of terrorism, remains an enduring threat to northern Nigeria and the Lake Chad Basin.

Syria’s civil war is being fought on multiple fronts by an array of combatants whose alliances, capabilities, and in some cases motives have been in flux.

Modern vice presidents can trace much of their political influence to the broad reforms that Jimmy Carter and Walter Mondale made to the second-highest elected office in the late 1970s.

Eurasia’s Shanghai Cooperation Organization has expanded its agenda to include wide-reaching security and economic initiatives, but it remains to be seen if the bloc’s members can develop and impleme…