Which is not a form of technological advancement

Plz i will give use examples from the lessons and your own personal experiences to compose at least one well-developed paragraph on the following: define the term reserved powers, and give an example of a reserved power of government.

Which event occurred in 1943 and to make the allied victory possible choose all answers that are correct

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?