President Donald Trump on Thursday signed executive orders that target birthright citizenship.
Millions more Americans might qualify for dual Canadian citizenship under a recent change to Canada's requirements.
Pilsen resident Teresa Fraga came to the United States from Mexico decades ago.
As President Trump looked on during an unprecedented visit to the Supreme Court, a majority of justices appeared skeptical of his administration's bid to end birthright citizenship.
The bill, would require Americans to prove they are citizens when they register to vote, mostly through a valid U.S. passport or birth certificate.
A judge permanently blocked two provisions of the executive order that sought to impose proof-of-citizenship rules.