I think A, but I am not really sure.
Aside from connecting the East U.S. to the West U.S., the transcontinental railroad was also instrumental in driving a gap through the confederate territories and ending the reconstruction era. (Choices A and D are the answers.)
Hope my answer has come to satisfy your query.
The Air battle above the English Channel to prepare for an invasion of Britain is the best describes the Battle of Britain. it is famously known as the Air battle for England where Royal Air Force defends against the German Air Force which began at the end of June 1940. The British and German air forces clashed in the skies over the United Kingdom and the battle ended when the Germany failed to gain air superiority over the Royal air force despite months of targeting Britains air bases, military post and civilian population.
The option that best describes the NAACP’s strategy for ending segregation in public schools would be "<span>The NAACP challenged segregation by filing lawsuits in several states," since it worked largely through legal and non-violent means. </span>
From a western context, such as in Germany and Italy, the rise of nationalism and nation-states was most related to imperialism, since it was imperialism that made these nations compete the most.
