Explanation:
the Neolithic Revolution was also known as the 'first' agricultural revolution this was when humans stopped their lifestyle of hunting and gathering and came together in a lifestyle of settlement and agriculture. so tools were imperative to planting crops during this time.
A) new tools saved early humans labor and time
If you are talking about the first air pollution problem its is A, almost about 100 years ago.
1955
The answer is B). They would have been executed for treason. These men were putting their lives at serious risk, because they were trying to gain independence directly against the king's consent.
