People hold a Catalonian independence flag, as they march during a demonstration to mark the fourth anniversary of a failed independence referendum, in Barcelona, Spain, late Friday, Oct. 1, 2021. 
Critical State, a foreign policy newsletter by Inkstick Media, takes a deep dive into independence movements, with a spotlight on new research about Catalonia.
Screenshot of a soldier from the war epic "Battle at Lake Changjin"
“Battle at Lake Changjin" glorifies the Chinese troops that defeated the Americans — a fact disputed by historians — in a decisive battle during the Korean War. Historic parallels between the Korean War and the 21st century stand-off between the US and China is a big reason for the film’s popularity.
Abdulrahman al-Sadhan poses with his sister Areej Al Sadhan
A court in Saudi Arabia upheld a 20-year prison term imposed on Abdulrahman al-Sadhan, a Saudi aid worker who had criticized the government on Twitter, drawing a rare public rebuke from the US in another sign of tension between the Biden administration and the kingdom. Abdulrahman al-Sadhan's sister Areej al-Sadhan, a dual Saudi-US citizen, talked to The World's host Marco Werman about the situation.
Democratic Senator Tammy Duckworth, from Illinois, speaks during a Senate Armed Services Committee hearing on the conclusion of military operations in Afghanistan and plans for future counterterrorism operations on Capitol Hill in Washington
"The key thing is that I want it to be completely nonpartisan, not bipartisan, but nonpartisan," Illinois Democratic Sen. Duckworth explained to The World's host Marco Werman. "I served on the Benghazi Commission, for example. That was bipartisan, but it was highly political."
Soldiers march during a military parade marking 100th anniversary of the 1918 creation of the Czechoslovak state in Prague, Czech Republic, Sunday, Oct. 28, 2018. 
From Egypt to Cuba to Indonesia, the Czechoslovak policy of exporting military equipment and training shaped the militaries of many new states around the world. Critical State, a foreign policy newsletter by Inkstick Media, takes a deep dive into new research on this policy.
Afghan President Ashraf Ghani, center, former President Hamid Karzai, right, and Chief Executive Abdullah Abdullah, left, watch the live broadcast of Gulbuddin Hekmatyar after the signing of a peace treaty at the presidential palace in Kabul, Afghanistan
"Although we had predicted major problems ... I think we were surprised, just like everybody else, at the speed to which the [Afghan] government and the military collapsed," John Sopko, head of SIGAR, told The World.
Rep. Michael Waltz speaks as Rep. Mike Johnson displays a map during the House Armed Services Committee on the conclusion of military operations in Afghanistan and plans for future counterterrorism operations on Wednesday, Sept. 29, 2021,
Sarah Chayes served as a special adviser to the US military in Afghanistan and the chairman of the Joint Chiefs of Staff after a decade on the ground in Kandahar. She joined The World's host Marco Werman to discuss the military testimonies on the US' chaotic withdrawal from Afghanistan.
Thuy Do, left, and her husband, Jesse Robbins, right, talk with Abdul, center, Sept. 20, 2021,
In the chaos of the US withdrawal from Afghanistan and the mass evacuation, a number of unaccompanied minors ended up on flights out of the country. Now comes the difficult task of reuniting them with their families or, for those who don’t have any relatives, helping them find new homes.
A Taliban fighter walks on the side of a road as a Humvee carrying other fighters drives by in Kabul, Afghanistan, Sept. 21, 2021.
Thousands of Afghans work for the UN in Afghanistan. Most remain there despite fears of being targeted by the Taliban for their work.
A Syrian grocery shop in Istanbul sells brands that are familiar to Syrian customers, such as canned meats and condensed milk.
Millions of Syrians are wrestling with the tough choice to return to Syria after 10 years of civil war. In Turkey, the COVID-19 pandemic hit some Syrians so hard that they returned home, only to regret it.