Which two countries unified into nation-states during the 1870s
1 - Austria and Russia
2- Britain and Spain
3- Italy and Germany
4- Prussia and Poland

i hope this

explanation:

max weber's 3 types of authority. the sociologist and philosopher  max weber  distinguishes  three types of authority—charismatic,  traditional  and legal-rational—each of which corresponds to a brand of  leadership that is operative in contemporary society.