Explainers

Backgrounders

Authoritative, accessible, and regularly updated primers on hundreds of foreign policy topics.

Taiwan

Why China-Taiwan Relations Are So Tense

Differences over Taiwan’s status have fueled rising tensions between the island and the mainland. Taiwan has the potential to be a flash point in U.S.-China relations.

Energy and Environment

How the U.S. Oil and Gas Industry Works

The United States is the world’s top producer of oil and natural gas. Its decision to either continue at this pace or curb production to achieve its climate goals will have global consequences.

Explainers Video Filters and Cards

Middle East and North Africa
Yemen’s Tragedy: War, Stalemate, and Suffering
Yemen’s internal divisions and a Saudi-led military intervention have spawned an intractable political, military, and humanitarian crisis.
Food and Water Security
Water Stress: A Global Problem That’s Getting Worse
Water scarcity threatens the health and development of communities around the globe. Climate change is intensifying the problem, pushing governments to find more innovative, collaborative ways to address water stress.
United States
How the U.S. Rail System Works
A spate of train derailments, most notably in East Palestine, Ohio, has reinvigorated the debate over the nation’s railroad infrastructure. Here’s how U.S. rail could be brought up to speed.
Americas
U.S. Detention of Child Migrants
Tens of thousands of unaccompanied children have been arriving at the U.S.-Mexico border each year, sparking debate over how to respond. How is the Joe Biden administration handling it?
United States
The State of U.S. Strategic Stockpiles
President Joe Biden has tapped the nation’s emergency reserves several times over the past year. The Strategic National Stockpile is just one of the reserves that the United States maintains for economic and strategic purposes.
Ukraine
Ukraine: Conflict at the Crossroads of Europe and Russia
Ukraine’s Westward drift since independence has been countered by the sometimes violent tug of Russia, felt most recently with Putin’s 2022 invasion.
Latin America
Can Amazon Countries Save the Rain Forest?
The Amazon Rainforest plays a critical role in global climate health, but accelerating deforestation continues to raise alarm. How are the region’s governments responding?
China
Is China’s Huawei a Threat to U.S. National Security?
The Chinese telecommunications company faces accusations that Beijing could use its 5G infrastructure for espionage. The outcome of the struggle could shape the world’s tech landscape for years to come.
China
China’s Massive Belt and Road Initiative
China’s colossal infrastructure investments may usher in a new era of trade and growth for economies in Asia and beyond. But skeptics worry that China is laying a debt trap for borrowing governments.
Afghanistan
The Taliban in Afghanistan
The Taliban returned to power in Afghanistan in 2021, twenty years after their ouster by U.S. troops. Under their harsh rule, they have cracked down on women’s rights and neglected basic services.
United States
How Does the U.S. Government Use the Strategic Petroleum Reserve?
The Strategic Petroleum Reserve, the world’s largest stockpile of emergency crude oil, has helped shield the United States from energy supply crunches, but debate persists over its management.
United States
What Happens When Foreign Investment Becomes a Security Risk?
The United States and other Western countries are reevaluating their foreign investment regulations amid an uptick in Chinese interest in strategic sectors.
Human Rights
Marriage Equality: Global Comparisons
A growing number of countries are legalizing same-sex marriage amid a steady advance in rights for LGBTQ+ people, but opposition remains strong in many others.
Somalia
Al-Shabaab
Al-Shabaab remains capable of carrying out massive attacks in Somalia and nearby countries despite a long-running African Union offensive against the Islamist terrorist group.
Pharmaceuticals and Vaccines
A Guide to Global COVID-19 Vaccine Efforts
The swift development of effective vaccines against COVID-19 was an unprecedented scientific achievement. But production challenges, vaccine nationalism, and new variants have all presented hurdles.