Of the 12 countries from which travel is fully restricted, three are embroiled in bloody civil wars. Many of the other countries are also undergoing conflicts.

What is Trump's travel ban? Which countries are banned from traveling to US? Here's list of 12 countries banned and 7 countries with restrictions

President Donald Trump’s latest travel limitations may keep fans from the 19 named nations from seeing their athletes compete in some of the globe’s most important sporting events in the next several years,