The plaintiffs challenged the constitutionality to this act in its entirety.

Later when the plaintiff challenged the defendant's demands seizure either took place or was threatened.

The plaintiffs had challenged the constitutionality of a law that grants the vote only to certain men.

(3) The action is not a genuine case or controversy, as both the original plaintiff and defendant challenge the statute without real opposition.

The plaintiffs had challenged the standards set by the agency for the disposal of high-level radioactive waste from the military and nuclear power plants.

The plaintiff could challenge the defendant to take an oath supporting his case.

The plaintiffs were challenging a new early-voting law on the probability of fraud.

The plaintiffs challenged that the use of tax credit scholarships to send children to religious schools violates the establishment clause.