When a group of countries agree to remove barriers to the free movement of labor and capital as well as any remaining nontariff barriers on goods and services, this is usually called a

The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State because of race, color or previous condition of servitude ____

Fill in the blank(s) with the appropriate word(s).

grass roots lobbying

What will be an ideal response?