In 1878, Thomas Edison began serious research into developing a practical incandescent lamp and on October 14, 1878, Edison filed his first patent application for "Improvement In Electric Lights".
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It was the Oregon Trail i think
Explanation:
If you could please include the sentance, you could get a more reliable answer.
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It is a symbol of our country and how it will never fall
Answer:
"Chairman Mao Zedong launched the campaign to reconstruct the country from an agrarian economy into a communist society through the formation of people's communes. Mao decreed that efforts to multiply grain yields and bring industry to the countryside should be increased."
Explanation:
