The scaffolding was called centering
Basically, it was a wooden construction that was used as an imitation of the arch and and would hold it until it was built and strengthened after which it was removed. The centering was a key component since it would not be able to build it so perfectly or at all if it weren't for the centering. Such centering is not used anymore due to other contemporary technology.
Answer:
forced relocation to northern cities
Explanation:
the African Americans were never forced to the north
The answer is Russia and the United States
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be that the Boer War ended in a British victory, although it should be noted that there were two separate Boer wars that ended somewhat differently. </span></span>