President Trump declared his first foreign trip a “home run” and said he’d rallied the world’s governments to stand strong against terrorism, despite a series of stark differences that emerged between the U.S. and its allies.

“I am now more hopeful than ever that nations of many faiths and from many religions and from many regions all over can join together in a common cause,” Trump said as he stopped at a U.S. military base in Sicily on his way to the U.S.

Citing the bombing attack this week in Manchester, Trump said it shows the need for the world to join forces and “absolutely and totally defeat” terrorism.

Trump ended his nine-day overseas trip, which stretched from the Middle East to the Group of Seven meeting in Taormina, Sicily, without holding a news conference to take questions from reporters. That allowed him to avoid addressing the story now dominating headlines back home: the FBI’s interest in his son-in-law, Jared Kushner.

Kushner, who serves as senior adviser to Trump, has drawn the attention of the FBI because he considered setting up a secret line of communications between the incoming administration and the Russian government, primarily to discuss a resolution to the crisis in Syria, according to a person familiar with the matter.

Ahead of Trump’s remarks to the troops, two of the president’s top advisers also declined to answer questions on Kushner. “We’re not going to comment on Jared. We’re just not going to,” Trump’s top economic adviser Gary Cohn said of Kushner, who had been on the trip but returned home as planned after participating in Trump’s visit to the Vatican.

At the base, Trump ran through the various stops on the trip, declaring, “I think we hit a home run wherever we are.”

He again chided NATO allies for not paying what he sees as their fair share to support the alliance, and pledged to the troops gathered, “I will give you my complete and unshakable support.”

“Peace through strength. Peace through strength, right?” Trump said. “We’re going to have a lot of strength and we’re going to have a lot of peace. You’re going to do a lot of winning.”

He spent the bulk of his 25-minute remarks, delivered with the help of a teleprompter but partially improvised, focused on terrorism, saying the May 22 bombing outside an Ariana Grande concert in Manchester, which killed 22 people, and a deadly attack on Coptic Christians in Egypt on Friday stiffened the European leaders’ resolve. As for the threat for terrorism, Trump said simply, “We will win.”

Earlier, two of his top advisers faced reporters and swatted away questions about Kushner.

“The president since he left Washington has been dealing with foreign leaders, has been dealing with jobs, has been dealing with economic growth. He’s been dealing with diplomacy. He’s been dealing with unfair trade. He’s been dealing with Paris. He’s been dealing with China. His agenda has been overflowing,” Cohn. The issue of Kushner “is not one that he’s spending time with on this trip.”

H.R. McMaster, Trump’s national security adviser, also declined to talk about Kushner and said he had no knowledge of any effort to set up a line of communications to the Russians. Generally speaking, he said, back-channels have diplomatic value. “We have back-channel communications with a number of countries, and so generally speaking about backchannel communications, what that allows you to do is to communicate in a discreet manner,” McMaster said.

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