Which is not a way a citizen can participate in policy-making decisions? writing a letter to the citizen's representative that expresses his or her concerns about air pollution

demonstrating in front of the state capitol to oppose funding cuts to schools

campaigning for a candidate who represents the citizen's beliefs

registering to vote when the citizen turns 18

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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c is your answer have a great day make the brainlest

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.