H- Collecting Tax
The federal government imposes a tax (form 1040). States also collect tax in the form of sales tax and property tax. Some states collect income tax also.
The military is federal. It is the U. S. Army. States have a national guard, but it is separate from the U. S. Army.
Only the federal government can coin and print money.
The federal government provides some funding to schools, but education is a state function. The state sets teacher certification standards, establishes state tests for students, and decides on passing grades for students.