Final answer:
The federal government has the power to regulate commerce with foreign nations, among the states, and with Indian tribes, according to Article I, Section 8 of the U.S. Constitution. This includes setting regulations for trade with Native Americans through acts like the Indian Intercourse Acts and broad federal economic regulation. However, the Supreme Court occasionally limits this power to safeguard states' rights.
Step-by-step explanation:
The level of government that has the power to regulate commerce with foreign nations, among the states, and with Indian tribes is the national or federal government. This power is specifically granted to the United States Congress by Article I, Section 8 of the U.S. Constitution. The commerce clause has historically allowed Congress to manage the economy by regulating activities that cross state lines, deal with international business, and interact with Native Americans. For example, the Indian Intercourse Acts set up federal regulation of trade with Native American tribes to protect tribal interests and promote peaceful relations.
Furthermore, the commerce clause has often been broadly interpreted by the Supreme Court, which has expanded the reach of Congress's regulatory powers. This flexibility has allowed Congress to address a wide range of issues, from setting a national minimum wage to enacting environmental protections, which significantly impact interstate commerce. However, this power is not without limits, and in recent years, the Supreme Court has sometimes constrained Congress's ability to legislate under the commerce clause to protect states' rights.