Indian Prime Minister Narendra Modi (right) welcomes Russian President Vladimir Putin prior to their meeting in New Delhi on Oct. 5, 2018. During the visit, India signed a $5 billion deal to buy Russian S-400 surface-to-air missile systems despite a U.S. law ordering sanctions on any country trading with Russia’s defense and intelligence sectors.
President Donald Trump speaks about the canceled summit with North Korean leader Kim Jong Un during a bill-signing ceremony at the White House on May 24. (Win McNamee/Getty Images)
U.S. President Donald Trump (R) and German Chancellor Angela Merkel (L) hold a joint news conference at the White House on April 27. (Photo by Alex Wong/Getty Images)
North Korean leader Kim Jong Un and South Korean President Moon Jae-in pose for photographs during the Inter-Korean Summit at the Peace House on April 27, 2018 in Panmunjom, South Korea. (Photo by Korea Summit Press Pool/Getty Images)
Donald Trump speaks at a rally organized by the Tea Party Patriots against the Iran nuclear deal while campaigning for president in Washington, D.C., on Sept. 9, 2015. (Nicholas Kamm/AFP/Getty Images)
A Capital One bank and Bank of America are seen side bye side near Penn Station in New York on January 8, 2018 in New York. (Bryan R. Smith/AFP/Getty Images)
German Chancellor Angela Merkel speaks to visiting girls during the annual Girls' Day at the Chancellery on April 25, 2018 in Berlin, Germany. (Carsten Koall/Getty Images)