He promised to bring a 'new era of prosperity' during the great depression.
The main reason the United States government intervened in the Great Railroad Strike of 1877 was because it was leaving thousands of people without transportation, which meant that the US GDP was decreasing in hurting business of all kinds.
Answer: During the gilded age the three factors that transformed were, new business practices, new technology, and the expansion of railroads.
Either they crossed over the land bridge following their food, or they were moving by means of water across the Bering strait
