Many moons ago, I wrote that the only things the US government needs to handle are nuclear deterrence and maintaining a stable currency. Perhaps some elaboration would be helpful. I don't expect any of the following to happen, but any of them would be a great improvement. So below in no particular order are changes I'd like to see
-end the income tax
It discourages work and enables wasteful government spending.
-cut about 90% of military spending and close overseas military bases
We have two big oceans to the east and west and friendly neighbors to the north and south.
-end the war on drugs
It's a gigantic, wasteful, hypocritical failure.
-end the Federal Reserve
It was created in 1913 to stabilize the economy and failed to stop the Great Depression in 1929.
-end foreign aid
The main result of American foreign aid besides enriching Israel has been a large and probably unsustainable increase in Africa's population.
-end Social Security, Medicare, and Medicaid
They will bankrupt the country unless drastically reformed.
-return to the gold and/or silver standard
It's the only cure for inflation.
-secure the southern border
Build a wall and guard it with soldiers. Illegal immigration is an invasion.
-deport illegals
They don't belong here.
-end birthright citizenship
You're only an American if at least one of your parents is American.
-end any government agency that did not exist before 1900
This would disband most of the alphabet soup: EPA, FBI, CIA, NSA, NASA, TSA, DHS, etc.
-government land should be sold off
Loggers, ranchers, and others can manage it more effectively.
-end compulsory schooling
Let parents decide how to educate their kids.
-end the minimum wage
minimum wage = minimum jobs
-cancel all tariffs
Tariffs protect inefficient businesses and force consumers to pay more.
-build oil refineries and nuclear power plants
Nothing else will provide enough energy.
-trade and have normal diplomatic relations with all countries
Sanctions don't work.
-Withdraw from NATO.
Let Europe defend itself.
-stop funding the UN
We've already done our share by hosting the place.
-allow total freedom of association
If people want to discriminate, let them. Self-segregation is already the norm.
-build cheap housing
It will go a long way in encouraging a sufficient birth rate.
That's about all I can think of for now.