Article 1, Section 8, Clause 3 of the U.S. Constitution, which gives Congress the power “to regulate commerce with foreign nations, and among the several states, and with the Indian tribes.”
I believe within its regulated in a much more local way, like states and then within towns and then cities,etc. This is my guess though for the "within" Part
Housing, transportation, and food.
In a person with normal amounts of clotting factors, when bleeding
starts, all of the clotting factors work together to form a clot that
stops the bleeding. People with hemophilia (PWH) are missing or have
reduced amounts of one of these important clotting factors so bleeding
continues until they receive treatment.
Metal detectors security around the school