1. GNP rose
2. By the end of the decade automobile ownership decreased dramatically
3. Optimism
4. 18th Amendment
5. America's most important strength
6. Wilson emphasized peace
7. Bought stock on credit
Because the united states purchased the louisiana territory from france at a price of $15 million, or approximately four cents an acre.
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Answer:
it shows how advanced technologies were with no technologies in device world. it also shows the prime of writing
Explanation: