before the expedition got under way in 1804, what important development changed the shape and size of the United States and made Lewis and Clark's journey even more important?

Lewis was 28 years old, Clark 32. Before the expedition got under way in 1804, what important development changed the shape and size of the United States and made Lewis and Clark's journey even more important? the Louisiana Purchase.

the Louisiana Purchase.

Explanation:

sorry if im wrong

- 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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a change of venue is the legal term for moving a trial to a new location. a change of venue request because venue is improper means that the removing defendant believes that the case may not be in that venue because it is improper under procedural rules.