It convinced many of the American colonists to want break away from Great Britain.
The tone of the letter of the American President to the emperor of Japan is friendly and something that value peace and equality of both parties. But during the arrival of the american fleet it shows aggressiveness and show of force and advantage of technology in order for the treaty to be accepted. Also even though in the letter it is written an equal and beneficial trade between the two nations but the truth is that foreign powers take advantage of Japanese vulnerability.
It started because people wanted to know firsthand what was happening with politics and controversial topics.
By 1929, approximately 10 percent of American households owned stocks.