Answer:
A criticism of the current presidential primary election schedule is that it gives undue weight to the few states with early primaries, as those states often build momentum for leading candidates and rule out trailing candidates long before the rest of the country has even had a chance to weigh in, leaving the last
The answer is B. Railroad
The answer is D
Have a good day
The increased efficiency of machines like this reduces the time it takes to perform the tasks each did by older methods or means. For example, using a washing machine is more efficient than hand washing clothing. And there is a major time-saving benefit.