The Justice Department argued that the 14th amendment has been misinterpreted by the Supreme Court and doesn’t grant birthright citizenship to children of people who are unlawfully present.

A federal judge in Boston says he will take under advisement a request from 18 states to block President Donald Trump’s executive order ending birthright citizenship for the children of parents who are in the U.

President Trump is seeking to end birthright citizenship in the United States. What is it, which other countries apply the policy and who would be affected by the order?