Donald Trump announced several restrictions on immigration and asylum in the United States.
He said that troops would be sent to the US-Mexico border and would end birthright citizenship.
He will seek to revoke the right of US nationality to anyone born in America.
The emergency on the US-Mexico border will give special presidential powers.
Under these powers, Donald Trump could use federal funding for border wall construction and could deploy the military and National Guard to the border.
He also signed an order declaring Mexican drug cartels terrorist organizations.
