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U.S. President Donald Trump’s new travel ban has brought the battle over international immigration to the forefront of international relations.

The executive order, signed by the president Friday, temporarily banned all refugees from entering the United States, indefinitely restricts the entry of people from predominantly Muslim countries and blocks any entry to the U.S. by citizens of Iran, Iraq, Libya, Somalia, Sudan, Syria and Yemen. The order also suspends the United States’ refugee resettlement program indefinitely.

To find out what a travel ban means for Americans abroad, the New York Times mapped out the different categories of immigration in the U.S. based on citizenship, religion and nationality.

The country is also hosting a U.S. government conference in Geneva that has been scheduled since 2016, according to the government website.

(WATCH: What you need to know about Trump’s travel ban)

Trump signed the order in Salt Lake City before heading to his golf resort for three days.

According to the travel ban, citizens from six countries will be barred from entering the U.S., including Iraq, Syria, Iran, Sudan, Libya and Yemen.

However, there are exceptions that allow tourists and other travelers to enter the U.S. with a valid refugee designation.

The U.S. government, through State Department website, lists all the countries that currently get a waiver to the ban. Of the 774 people who have a Visa Waiver Program (VWP), over 50,000 have visas that can remain after the executive order was signed by the president.

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The U.S. Embassy in Tel Aviv wrote on its website that “We are aware of the temporary travel ban for nationals of Iraq, Iran, Sudan, Libya, Yemen, and Syria, and do not believe that the temporary exclusion from the United States of Iraq and Iran will affect or impair U.S. nationals who do not have dual nationality.”

U.S. officials said the ban will have little impact on the foreign citizens that have already arrived in the U.S. The country’s Department of Homeland Security said in a statement that the travel ban is not intended to single out any particular religious communities.

In addition, the ban only affects one country at a time — and it has no provision regarding visa waivers.

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