A Larry Bartels paper titled for electoral continuity and change measures this process as the proportion of total variance generated and argues for a post-New Deal decline in this process until the 1970s. That paper updated a series of 1960s Donald Stokes papers on this process that contrasted the United States and Britain and found that this process increasingly strongly controlled electoral turnout. This process was “self-evident” to Dan Bongino in his run for Maryland's 6th Congressional district, according to a book that uses differential political engagement across races as evidence for this process; that book is Daniel Hopkins’s (*) The Increasingly United States. Along with polarization, this process is measured by the decline of split-ticket voting. A commonly cited example of this process is immigration becoming a more important issue to Iowa voters than agriculture. For 10 points, name this political process that is making Tip O'Neill's maxim ■END■
ANSWER: nationalization of politics [accept word forms; accept any answers indicating that politics or political issues are becoming national]
<Ryan Rosenberg, Social Science>
= Average correct buzz position