The order has since been put on hold after a federal judge issued a temporary restraining order on the travel ban.
Chris Caras, the outreach coordinator for the Missouri chapter of the Council on American-Islamic Relations, spoke to the visitors after a worship service.
Caras, who converted to Islam when he was 17 and is now 36, said mosques across the country are holding open houses to be “more transparent.”
“Muslims are afraid and confused,” Caras said. He described Islamophobia as irrational and equated it with anti-Semitism.