Answer :
The correct option is A. Delivering mail service is provided by the government in the United States.
What does the US government help regulate?
Only the federal government has the authority to control domestic and international trade, declare war, and establish other national policies like taxation and spending. Legislation from Congress, which consists of the 100-member U.S. Senate and the 435-member House of Representatives, is frequently the first step in these procedures.
For the purpose of financing the services it offers to residents, the federal government collects taxes. The federal government offers a variety of services, including aiding the elderly and the underprivileged in obtaining healthcare and housing, letter delivery through the Postal Service, financial assistance for disaster-affected areas, military support, and more.
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