On Monday, appointments were canceled for people looking to cross the U.S. border just minutes after President Donald Trump took his oath of office.

Mr. Trump is planning to attempt to deny birthright citizenship to the children of immigrants who are in the U.S. illegally, according to the incoming officials. The U.S. government has long interpreted the U.S. Constitution to mean that those born on American soil are citizens at birth, regardless of their parents' immigration status.

The American Dream has come crashing down for millions and millions of people who line up to get a chance to settle in the United States. Donald Trump has, with one signature, shut the door for them permanently.

The app has come under scrutiny in the past from Republicans, with some stating it has been used to hide illegal immigration.

"The first 100 days are going to be the most aggressive, change oriented policy proposals and procedures that we've ever seen," KOAT political expert Brian Sanderoff said.

Migrants who waited months to cross the U.S. border with Mexico learned their CBP One appointments had been canceled moments after Donald Trump was sworn in as president.

Action empowers agents in CBP and ICE to enforce Trump administration's 'immigration laws and catch criminal aliens -- including murderers and rapists -- who have illegally come into our country' - An

The orders include declaring a national emergency to deploy military personnel to the border, suspending refugee resettlement and ending birthright citizenship.

President Donald Trump’s plans to curb immigration and beef up border security began taking effect soon after he was inaugurated Monday as he made good on campaign promises.

President Donald Trump has promised swift action on immigration, asylum and border security as he takes office today.

The Trump administration cancelled a program aimed at easing the process of applying for asylum, leaving thousands of asylum-seekers disappointed and unsure of what to do next.