How have security changes affected americans' lives since september 11, 2001? check all that apply.
there are more checkpoints along borders with mexico and canada.
citizens can be charged with treason for not cooperating with the government.
a new agency, the tsa, enforces stricter screenings of airline passengers.
citizens must consent to wiretaps and property searches when asked.
border patrol agents check the passports of people entering the united states.