Using examples from at least TWO periods, is it possible to explain the dominance of one US party in terms of the weakness of the other?
The Republican party dominated the period between 1876 and 1912, winning all but two presidential elections and Congressional elections in 1880, 1888, and from 1894 to 1910. The two Democratic administrations of the period, in addition, were one man, Grover Cleveland, who was elected twice non-consecutively, and with only pluralities of the popular vote. Similarly, Democratic dominance between 1932 and 1980 was characterized by every Congress being Democratic with two exceptions between 1932 and 1980, and 8 Democratic victories in presidential elections in the same period. At first glance, dominance can be attributed in both cases to a combination of events and party weakness. Democrats in the late nineteenth century were split between Southern ‘Bourbons’, populists, bimetallists, and over religion, to the point where nominating conventions were frequently deadlocked. Republicans, by contrast, proved capable of developing and applying a locally based infrastructure nationally...