Answer:
The most significant difference between the private and public sectors is the ownership of the organizations within them. In the public sector, organizations are owned and controlled by the government. Meanwhile, organizations within the private sector are owned and managed by individuals or private companies
George Washington did, in fact, have a political interest in Virginia. Prior to the US Capital being in Maryland, it was stationed in Virginia, close to Washington's home town.
I don't know if this is what you were asking but I hope it helped :/
Improved technology allows to create more goods and to increase the efficiency of providing services (answer d.) and this is they way that it increases standards of living. If there are more goods and services then more people have an access to them.
Your answer is Electrical energy