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 mainland. Taiwan is the likeliest potential 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

United Nations
What Is the UN General Assembly?
Each year, the General Assembly hosts a much-watched debate of world leaders. The 2025 meeting focused on climate change, artificial intelligence governance, UN reform, and the ongoing wars in the Gaza Strip and Ukraine.
United Nations
How Much Does the U.S. Fund the United Nations?
The United States has historically been the largest donor to the United Nations. However, during his second term, President Trump has reduced U.S. funding, withdrawn from major agencies, and scaled back the country’s involvement in UN initiatives.
China
China and Russia: Exploring Ties Between Two Authoritarian Powers
China and Russia have expanded trade and defense ties over the past decade, but they’re not formal allies. Experts say Russia’s war in Ukraine could be a turning point in the relationship.
United Nations
The Role of the UN Secretary-General
The United Nations’ top leadership position has broad authority to steer the organization’s agenda. Yet its impact has varied widely since 1946, shaped by global crises, political constraints, and personal diplomacy.
Health
What Does the CDC Do?
The federal agency has a broad mandate to protect Americans’ health and an expansive global reach. Massive government shake-ups are now testing the strength of the organization.
Monetary Policy
What Is the U.S. Federal Reserve?
Over the past decade, the Fed kept interest rates low while it deployed trillions of dollars in stimulus and expanded its regulatory oversight. Now, the central bank is battling inflation and grappling with political pressure regarding its independence.
Global
What Are the UN Sustainable Development Goals (SDGs)?
The United Nations’ ambitious development agenda aims to protect people and the planet via seventeen goals. But experts say governments aren’t doing enough to implement them.
China
The China-India Relationship: Between Cooperation and Competition
Tensions between the two nuclear powers and major economic players could have critical implications for security and developments in the Global South.
Public Health Threats and Pandemics
How Vaccines Changed the World
Vaccination campaigns have nearly eradicated some of the most deadly and transmissible diseases. However, against a backdrop of a rising tide of vaccine hesitancy, and U.S. leaders pulling global support, outbreaks are cropping up again.
United Nations
The UN Security Council
The UN Security Council is the premier global body for maintaining international peace and security, but it faces steady calls for reform to better meet twenty-first-century challenges.
Sub-Saharan Africa
Africa’s ‘Leaders for Life’
Sub-Saharan Africa is home to many of the world’s longest-ruling heads of state. Pro-democracy advocates have at times successfully stopped presidents from extending their mandates, but the authoritarian trend could be accelerating.
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 increasingly cracked down on women’s rights and neglected basic services.
United States
How the U.S. Patrols Its Borders
President Trump’s renewed focus on militarized enforcement of the southern U.S. border has recentered national security in the debate over U.S. asylum, border, and deportation policies.
United States
What Is Temporary Protected Status?
Temporary Protected Status has long been used as a humanitarian solution for migrants who are unable to return home safely. President Trump’s renewed efforts to scale back such programs have further fueled the debate over the immigration policy’s use and scope.  
Diplomacy and International Institutions
What Does the G7 Do?
The Group of Seven (G7) has been a forum to coordinate global policy for fifty years, but experts are increasingly questioning the group’s relevance.