Who is the greatest president?

(opinion)

Abraham Lincoln

Explanation:

He did more than most and did it all during the most violent time in American history. Maybe not anymore but kinda. Some may not see it the same way but he also gave his life by working for what he believed was right and then being assassinated for what he believed.

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

he impacted the society ith his knowwdge and advance our research by years to come