Hunter-gathering tribes
small towns and nomadic groups
city-states and small kingdoms
empires
nation-states
Yes... England has a queen and King
I believe the answer is: running the country more like a business
Because of this, Bill Clinton raise the amount of tax rate in order to obtain capital (just like how businesses issued shares) and used the budget to fund various government programs. On average, Bill Clinton managed to grow the economy for about 4% annually.
There’s no picture in your question
The first battle of bull run, each side had about 18,000 poorly trained and poorly led troops.