Why were Jacob’s twelve sons important?

They grew up to become leaders of their own tribes. They grew up to become important and needed by the people around them because they led and chose weither to go places or not

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

answer conditional instability;