America changed drastically because shortly after the revolutionary war they established their first system of government and began electing their own leaders “ in this case the president” and over the years expanded West with the Louisiana purchase in 1803 and other territories west of the Mississippi. In 1865 civil war broke out between the north “ the union” and the south “ the confederacy” over the terms of slavery and president Lincoln created the 13th, 14th, and 15th amendment giving slaves the same right as any American. Shortly after the civil war America began to trade goods with other countries to boost the economy and continued thru the year.
One of the most important thing is to invest in education. During the early childhood is essential to provide a proper education because these first six years are going to influence in the future of the child about how the children will learn and how many chances to succeed they could have in their futures lives.
The oldest responsibility of government is to protect citizens from violence by creating and applying human rights since the birth. This includes to provide the safety and order, protecting citizens from each other and from foreign causes.
It also must support the economic infrastructure of human connectivity that, in social concepts, improves the capital necessary to live in a dignified way.