The answer is A. Drove production costs up. It drove production costs down, because they were able to take less time to make the products as well as less materials because 1) standardized parts were invented around the same time, and 2) they didn't have people preparing everything so materials weren't wasted.
Answer:
Cause: human
Solution: evolution
The hunters chose to harvest the sheep with the larger horns. Only smaller horned sheep survived and reproduced, so, over time the population had smaller horn size.
Explanation:
The trophy hunting (the bigger the better) on bighorn sheep has caused artificial evolution. The human selection (and killing) of sheep with large horns has led to the survival of sheep with smaller horns. It is a form of <em>artificial evolution </em>because in <em>natural evolution </em>bigger horns means to be better armed.
Answer: Nicollo Machiavelli
Explanation: renaissance thinker. Machiavelli is not a medieval political thinker (as Dante Alighieri in his "Monarchy") anymore. His political thougths do not refer to metaphysical, divine realm. His political thought takes place in profane, secular realm.
The picture is not clear :(