In the 670s how was the leadership of islam determined?
good paragraph

In the 670's you were nominated to be a leader but your nomination had to be confirmed.

Explanation:

The leadership was subject to confirmation in the 670s.

The correct answer is

In the year 670 Mu'awiyah was governor of SIria, ill and his son Yazid, who was the son of his favorite spouse, was named as his successor.

if im not mistaken its a. collective emotional arousal

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.