Answer:
A essay on Harriett Tubman or Fredrick Douglas is written below in details.
Explanation:
Comparing Fredrick Douglass and Harriet Tubman, Harriet Tubman and Frederick Douglass are notable African American civil rights personalities who fled from slavery. The civil rights activists spent an important moment of their presence struggling against slavery and promoting social equity thus containing outstanding positions in American archives.
Answer:
B. The development of new, more affordable methods of Transportation
Explanation:
In the Late-nineteenth-century transoceanic labor movement from one region to the other were most directly facilitated by the evolution of new, cheap method of transportation.
The labour movement or can also be refer to as labor movement are mostly embarked on due to search for greener pastures which includes: good wages, better working conditions among others.
For instance, in the late eighteenth and early nineteenth centuries the Great Britain development of the British own factories were the pioneer to use steam-powered machines for large-scale economic production, this will leads to increase in the movement of labour to the region.
It is because of subduction<span>: oceanic crust tends to get colder and denser with age as it spreads off the mid-ocean ridges. It gets so dense, that it sinks in the upper </span><span>mantle </span><span>(subduction). This is like a giant recycling system for oceanic lithosphere! Because continental crust is lighter than oceanic crust, continental crust cannot subduct. We therefore still have some very </span>old continental rocks<span> at the surface of the Earth.</span>