Colorado's Amendment 2 would bar communities from passing such laws.

The amendment would bar outside groups from lodging ethics complaints with the committee.

The royal family went into exile, and in 1948 a constitutional amendment barred their return.

The 11th Amendment generally bars suits against states in Federal court.

The amendment also barred the state and every local jurisdiction from adopting or enforcing any such protections in the future.

Lawmakers maintain the amendment barred direct and indirect United States military aid to the rebels.

The amendment barred aid to private groups engaged in military or paramilitary operations in Angola.

The amendment temporarily bars foreign visitors from the weapons labs and tightens access to classified information by Energy Department employees.

If such a pattern were shown, the 11th Amendment would not bar Congress from devising a congruent and proportional remedy.