Answer:
Military success in Italy, And his attack on the French Revolution Government. While it was assaulted by a Parisian mob.
Explanation:
Based on my information, I believe that the higher authorities that would choose the prime ministers would actually be the "house of commons". Going back a few years, many of the "house of commons" actually did not have the responsibility in order to do this, but then, the government figured that it would be better if they were to handle on this responsibility.
Answer: Recess appointment
As the name implies, these are appointments the President makes when the congress is in recess. This is when congress-members go back to their states and districts.