Attention is focused on the federal government’s decision to challenge Arizona’s strict immigration law, but three other states could pass similar legislation next year. Oklahoma, South Carolina and Utah have each taken steps against illegal immigration, and politicians in the three states are advocating further measures when their legislatures reconvene early next year.

The Obama administration sued Arizona in federal court Tuesday, charging that the state law usurps federal authority, would hamper immigration enforcement and would lead to police harassment of those without proof of lawful status.