There is a question here?
Airplanes were vital for ww1 to ease transport of amo and soon guns on the planes including bombs this made it easier for to launch quick air strikes on places like bases vulnerable to air strikes
While SHARED powers are not held exclusively by any branch of the government, NEGATIVE powers are those that one branch can exercise over the other.
The answer is a. reviewing and examining bills that are passed by the House of Commons.