Which is an example of an invasion that took place that changed national boundaries

Why did john browns raid impact the national issue of slavery?

How does the pyramid of giza include art, science, math, or a need for infrastructure?

Hey!me its for an important test! ! which issue during the progressive era would most likely have united mary harris "mother” jones and lewis hine? a) ending child labor b) regulating monopolies c) using photography to expose poor working conditions d) exposing the lack of jobs available for untrained laborers