3 pts According to Bowers, it is also notable that in 2017 the mayors of Nevada's three largest cities were:

women.

Explanation:

In his book entitled 'The Sagebrush State: Nevada's History, Government, and Politics', Michael W. Bowers wrote about the state of Nevada beginning from it's history to the present-day.

In Chapter three, 'Civil Rights and Liberties in Nevada', Bowers points out that 2017 year was notable because the mayor of three largest cities in Nevada were women. The names of mayors of three largest cities in Nevada in 2017 were: Carolyn Goodman in Las Vegas, Debra March in Henderson, and Hillary Schieve in Reno.

Therefore, the correct answer is 2017 was notable in Nevada because mayors of three largest cities were women.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.