Help me plz I need to passs..

Which of the follow modern activities would only have been possible after the neolithic revolution

The brought textile workers and an machinery together in the same location. a. agricultural revolution. b. mass production system. c. factory system. d. mass transit system.

Why were the precedents washington set important to future presidents? a. they were things that would never happen again. b. they set the standard for how future presidents should behave as president. c. they were things to avoid.d. they were expensive and had to be paid for by future presidents.