The Anti-Defamation League’s new report, “A Dark and Constant Rage,” chronicles 25 years of right-wing terrorism in the U.S.
The Al-Qaeda-affiliated militant group controls parts of Somalia and wants to impose its hardline version of Islam on the country.
Pope Francis is expected to address the International Peace Conference in Cairo at the end of April.
The Reuters/Ipsos poll showed Americans were more reluctant to share personal information than when the poll last asked the question four years ago.
Secret military courts were first set up after the Peshawar school massacre in 2014.
Boys from a Mosul orphanage were indoctrinated by the jihadists to become a network of informants and fighters.
More than 20,000 people aged 15 to 21 from 20 countries were surveyed.
"All over Europe, it's happening. It's gotten to a point where it's not even being reported," Trump told a group of about 300 U.S. troops at MacDill Air Force Base in Florida.
The ban will be used to capriciously target individuals for political reasons.
"We only want to admit those into our country who will support our country and love deeply our people," Trump said.
A faction led by Michael Flynn, Trump's National Security Advisor, wants to add the Brotherhood to the State Department and U.S. Treasury lists of foreign terrorist organizations, the sources said.
Cuba and the United States signed an agreement to cooperate in the fight against terrorism, drug trafficking, money laundering and other international criminal activities.
Those who join ISIS are often swayed by the sense of belonging or excitement they feel a caliphate offers.