Although this is slightly subjective, most historians agree that yes--it is true that <span>Jefferson's "Revolution of 1800" was not as much of a revolution as he thought, since in fact a Hamiltonian perspective ultimately ended up prevailing in American politics. </span>
In the Age of New Imperialism that began in the 1870s, European states established vast empires mainly in Africa, but also in Asia and the Middle East. - https://www.tamaqua.k12.pa.us/cms/lib07/PA01000119/Centricity/Domain/119/TheAgeofImperialism.pdf
The unemployment rate is measured by a division of the department of labor known as the bureau of labor statistics or BLS this government agency conducts
The reason why earlier historians consider the medieval periods the "dark ages: is : the era seemed less important than the renaissance and the roman empire
there was no significant societal progress during this age
hope this helps