Answer:
1861–62: King Wilhelm I became King of Prussia and he appointed Otto von Bismarck on 23 September 1862, Minister President and Foreign Minister, who favoured a 'blood-and-iron' policy to create a united Germany under the leadership of Prussia.
Explanation:
By approval, I think you mean by the delegates from each state had approved it. The problem was that the states themselves had to approve it. That seemed like a cumbersome process, but you have to remember that democracy works on the will of the people and each state had to ratify it keeping in mind that there were still problems: it was not a slam dunk.
Think of it like this. If you could get a new cell phone for ten bucks, you'd want it, right? In fact, pretty much EVERYONE would want it. This means the quantity demanded will be high: more people want it. BUT, if it goes up to $1,000, I bet you wouldn't want it that badly! The quantity demanded will go down, because less people want to buy it. It's the same thing with the chocolate bar. Since the price goes up, the quantity demanded will go DOWN, because less people want to buy it now that it's more expensive. The student's answer is incorrect.
Answer: The student's answer is incorrect. Since the price goes up, the quantity demanded will go down.
The factor that did not contribute to industrial revolution are the people who wanted to maintain feudalism to stay in power. I think the landlords who are used to this system and did not try to adapt wouldn't want that significant change.