The 2002 NFL season began with the divisional realignment. But Democrats suffered a significant reverse in the electoral realignment of the mid-1850s. A realignment of currency exchange rates was proposed. Conference realignment and scheduling disagreements also dampened the intensity of the rivalry. Many commentators thought it signalled a major realignment. RSA has benefited from decisions by the Defense Base Realignment and Closure Commission. Scholars generally emphasize the role of racial backlash in the realignment of southern voters. It closed in 2011 under the Base Realignment and Closure process. Manning gave yet another major address in support of "political realignment". A new playoff format was introduced as part of the 2013 realignment. Fort Benjamin Harrison was closed as part of the 1991 Base Realignment and Closure Commission. The United Kingdom has begun the concept of managed coastal realignment. Nixon believed his rise to power had peaked at a moment of political realignment. The airline cited an "operations realignment" as the reason. As part of realignment of military assets.