A country’s constitution may be changed by

congress can submit a proposed constitutional amendment to the states, if the proposed amendment language is approved by 2 of 3 houses, congress will call a convention for the amendments upon application of the legislatures.

Explanation:

michael joseph jackson was an american singer, songwriter, and dancer. dubbed the "king of pop", he is widely regarded as one of the most significant cultural figures of the 20th century and one of the greatest entertainers of all time.

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i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.