The government does not earn any money, the income it has derives from the taxes it collects.
It collects that money in taxes to pay for social requirements. Health, infrastructure, defence etc.
taxation as the power of the state, is synonymous to the point that it is taxation is the source of the power of the state. Taxation is the levying of tax, taxes is the lifeblood of the government. It is because of tax that the government is able to finance and realized its programs and projects to the people. The people are dependent to the government, the government is dependent to taxes. Therefore, there could be no government when there is no taxation or stated plainly as there is government when there is taxation, and there is taxation when there is government.
Government machinery can't function without taxation. Taxation provide any government to collect funds to run their government affairs. The same applies to the government of Pakistan.
The 13th amendment prohibits putting someone in "involuntary servitude". It applies to all citizens, however, by Supreme Court case law, the government is exempted. For example: the draft, taxation of labor and prison labor.
government spending and taxation.
Taxation without representation is wrong. Taxation is needed to pay for many government programs.
The purpose of taxation in general is for the government to raise money.
Each exemption is equal to an amount of income that is "exempted" from taxation. Hence it lowers your taxable income and therefore tax.
Taxation
The power of taxation is that every government needs it. No country can survive without the money that is brought in from taxation.
Taxation.
"No taxation without representation"
Taxation because local government knows local conditions, state is the Government of a state, and federal because of the strong central powers.