A the super natural hope this helped Hun :)
I believe the answer is: in-elastic
A product is considered to be inelastic if the change in price do not or has very little impact of the product demand.
From the scenario above, we can see that even though the price drops, the percentage is still way below the amount of price icnreased (10% : 30%) , so we can consider the product to be inelastic.
Killing a lot of people and causing the 9/11 attacks
Answer: A) Climate
Explanation: Until the mid-20th century the largest impediment to trade between area "1" and area "2" on the map was climate. The Sahara Desert was a major impediment to trade. True, there were Trans-Saharan trade routes for centuries, but there is no denying that the desert was an inconvenience at the very least.