The trans-continental railroad was completed around this time, so not only did train travel change, but was innovated so that a train could take you anywhere across the US.
Grace period seems correct
Japan the develope country in 1980
The Twenty-first Amendment<span> (</span>Amendment<span> XXI) to the </span>United States Constitution <span>repealed the Eighteenth </span>Amendment to the United States Constitution<span>, which had mandated nationwide Prohibition on alcohol on January 16, 1919. The </span>Twenty-first Amendment<span> was ratified on December 5, 1933.</span>
Answer:
3) Europeans explore the Americas
