The age-21 rule, showing ID, where you cannot drink, open containers in cars, and why these rules matter more on a visa.

How to act when police stop you on foot, at home or in a car, the right to stay silent, and what non-citizens should never do.

Which documents to carry at all times, what to do if immigration officers stop you or come to your door, and how to prepare a plan.

Small things that bring fines or arrests: jaywalking, open drinks, littering, the smoking age, fireworks, trespassing, children alone.

Why shoplifting, domestic violence, drugs including marijuana, DUI and lying to officials can lead to removal or a denied application.

Why most people on temporary visas cannot have guns or ammunition, the rules for green card holders, and why lying on the form is a crime.

What abuse includes, hotlines, protective orders, and protections like VAWA and the U visa, even if your status depends on the abuser.

Fake USCIS, IRS, police and embassy calls, job and rental scams, and a simple checklist to decide if a call or message is real.

How to protect your SSN and documents, the warning signs, and the step-by-step recovery plan at IdentityTheft.gov.

The DMV may offer to register you to vote. If you are not a US citizen, say no. What to do if you said yes by mistake.

Paying or fighting a ticket, license points, why a DUI is serious for visas, and which records to keep for green card or citizenship.