Where did the Amish culture originate and diffuse?

Utilize these links to answer the following questions! 

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"The Amish Man" - A page on the history and culture of the Amish 

http://www.mennohof.org/php/whats.happening/documents/2017%20Spring%20Reunion%20for%20web.pdf

"Origins of the Amish which split from the Mennonites" - A page on the European religious happenings which ultimately led to the split of the Amish and their diffusion to America.

http://www.religioustolerance.org/amish1.htm

"Diffusion of the Amish Culture" - A webpage on the diffusion of the Amish. 

https://amishcultureapgeo.weebly.com/diffusion.html

"History" - A brief history and naming of important figures in Amish origins. 

https://amishcultureapgeo.weebly.com/history.html

1. From what European country and which religious denomination did the Amish originate from?

2. Which prominent figures were the pioneers in the Amish foundation? 

3. What is the primary way in which the Amish diffused? 

4. Which state did the Amish originally settle and how did this effect there diffusion?

5. Is the Amish way of life still diffusing today? If so, where and how? If not, why?