Tsar Nicholas II gives up the throne after a coup led by Lenin and the Bolshevik party.
Answer:
The elevator revolutionised the Vertical transportation and logistics. Prior to that, even though the usual transportation between places was developed mainly because of the advancements in the vehicle and naval transportation, moving things "up" and vertically was supper difficult. Mainly moving people.
The elevator allowed the development of the Skyscraper. Tall buildings that could house thousands of people and eventually that would become the symbol of America.
Explanation:
Both Mark Twains and Thomas Eakins works portrayed a realistic view of the American life. Thomas Eakins used geometry and realism in his work. Mark Twain was an American novelist and humorist that also used realism in his work which generally entailed portraying a realistic view of life