The statement that led to the political realignment during the Great Depression is "Immigrants in urban areas voted Democrat due to Democratic political machines and the economic devastation on cities."
This is evident in that during this period, immigrants were migrating into the United States, living in the cities, and were being helped by the political machines.
The political realignment during the Great Depression occurred around the 1930s.
Option A is wrong because Franklin Roosevelt did not pass the anti-lynching law.
Option B is wrong because Democrats did not hold office for nine presidential terms but rather seven terms between 1932 to 1968 (Republicans used two terms between 1952 to 1960).
Option D is wrong because it was the Democratic party that gained from the political realignments of this period. Also, farmers supported the Democratic party, not the Republicans.
Option E is wrong because white supremacist voters from the South region supported Franklin Roosevelt and voted for him.
Hence, in this case, it is concluded that the correct answer is option C.
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<span>It reduced coast-to-coast communication from about 180 days to about a week.
This question is mildly ambiguous due to the word "communication". Does it mean "Speed of sending a message?" or "Speed of moving a physical object?" Given the available options as answers, I will assume the meaning is "Speed of moving a physical object?" With that in mind, let's look at the available options and see what makes sense.
It made coast-to-coast communication instantaneous.
* Even modern jets can't travel from coast to coast instantaneously, so you wouldn't expect a train to do so either. So this choice is just plain silly and therefore wrong.
It reduced coast-to-coast communication from about a week to about a day.
* A stagecoach had an average speed of about 5 mph and covered 60 to 70 miles per day. So it's not going to go from coast to coast in only a week. And since that part of the answer is wrong, this choice is wrong.
It reduced coast-to-coast communication from about 180 days to about a week.
* The 180 day estimate is definitely doable. That's an average speed of about 17 miles per day which is a good speed for a person walking day to day. And that would be about 400 miles per day for the train. The numbers make sense and this is the correct answer.
It made coast-to-coast communication more complicated.
* Let's see. Buy a train ticket and possibly arrange for 6 layovers. Or plan a multiple month trip and possibly coordinate that effort without having any rapid means of communications? This option is just plain silly when you consider the logistics of traveling for several months vs traveling for a mere week. So this is a bad choice.</span>
The Agricultural Revolution of the 18th century paved the way for the Industrial Revolution in Britain. New farming techniques and improved livestock breeding led to amplified food production. This allowed a spike in population and increased health. The new farming techniques also led to an enclosure movement-wikipedia