Treaties

U.S. Defense Secretary Mark Esper, center, walks Gen. Scott Miller, right, chief of the U.S.-led coalition in Afghanistan, at the U.S. military headquarters in Kabul, Afghanistan, Sunday, Oct. 20, 2019. Esper arrived Sunday in Afghanistan, where stalled peace talks with the Taliban and persistent violent attacks by the insurgent group and Islamic State militants have complicated the Trump administration’s pledge to withdraw more than 5,000 American troops. He told reporters traveling with him that he believes the U.S. can reduce its force in Afghanistan without hurting the counterterrorism fight against al-Qaida and the Islamic State group. (AP Photo/Lolita C. Balbor)

President Donald Trump shakes hands with Defense Secretary Mark Esper during a briefing with senior military leaders in the Cabinet Room at the White House in Washington, Monday, Oct. 7, 2019. (AP Photo/Carolyn Kaster)

South Sudan opposition leader Riek Machar, left, is greeted by South Sudan officials as he returned to the country, Saturday, Oct.19, 2019, to meet with President Salva Kiir less than a month before their deadline to form a unity government after a five-year civil war. Macher's two-day visit includes a scheduled meeting with the U.S. ambassador to the United Nations, who arrives Sunday with a U.N. Security Council delegation.(AP Photo/Sam Mednick)

Russian President Vladimir Putin attends a meeting at the Russian Defense Ministry in Moscow, Russia, Thursday, Oct. 17, 2019. (Alexei Druzhinin, Sputnik, Kremlin Pool Photo via AP)

French President Emmanuel Macron welcomes German Chancellor Angela Merkel in the government building of Toulouse, southwestern France, Wednesday, Oct.16, 2019. President Emmanuel Macron and Chancellor Angela Merkel sought Wednesday to demonstrate the solidity of the French-German relationship at a meeting in southern France, one day before a key EU summit that may approve a divorce deal with Britain. (AP Photo/Frederic Scheiber)

Voters queue to cast their votes in Maputo, Mozambique, Tuesday, Oct. 15, 2019 in the country's presidential, parliamentary and provincial elections. Polling stations opened across the country with 13 million voters registered to cast ballots in elections seen as key to consolidating peace in the southern African nation. (AP Photo/Ferhat Momade)

Chinese President Xi Jinping is welcomed by Nepalese President Bidhya Devi Bhandari upon arrival at Tribhuvan International Airport in Kathmandu, Nepal, Saturday, Oct. 12, 2019. Xi on Saturday became the first Chinese president in more than two decades to visit Nepal, where he's expected to sign agreements on some infrastructure projects.(Prakash Mathema/Pool Photo via AP)

FILE - In this Feb. 8, 2019, file photo, Special Representative for Afghanistan Reconciliation Zalmay Khalilzad at the U.S. Institute of Peace, in Washington. The Taliban met Khalilzad in the Pakistan capital for the first time since President Donald Trump declared a seemingly imminent peace deal to end Afghanistan's 18-year war 'dead' a month ago, a Taliban official said early Saturday, Oct. 5. (AP Photo/Jacquelyn Martin, File)

Wounded Afghans lie on a bed at a hospital after a bomb attacks in the city of Jalalabad east of Kabul, Afghanistan, Saturday, Sept. 28, 2019. Afghans headed to the polls on Saturday to elect a new president amid high security and Taliban threats to disrupt the elections, with the rebels warning citizens to stay home or risk being hurt. (AP Photo/Mohammad Anwar Danishyar)

European Commissioner nominated for Neighbourhood and Enlargement Laszlo Trocssnyi, left, is welcomed by European Parliament President David Sassoli before their meeting at the European Parliament in Brussels, Tuesday, Sept. 24, 2019. (AP Photo/Francisco Seco)