Answer:
Trade along the silk road.
Explanation:
Because the silk road spread for a very long distance it united people through trade and technological advancement came faster than ever.
The term muckraker<span> was used in the </span>Progressive Era<span> to characterize reform-minded American journalists who attacked established institutions and leaders as corrupt. They typically had large audiences in some popular magazines. In the US, the modern term is </span>investigative journalism<span> — it has different and more pejorative connotations in British English
</span><span>The muckrakers played a highly visible role during the Progressive Era period, 1890s–1920s</span>