How did the case mcculloch v. maryland cement the power of the federal government?

This case cemented the power of the Federal Government by stating that it had the authority to create National Banks and furthermore it denied the right of the states to tax a federal business. This ability allowed for the Federal Government to create additional agencies in the states that could not be directly taxed by the states themselves.

In the case of McCulloch v. Maryland, the Supreme Court established that the federal government was the supreme ruling body in the Nation (such as banking). In conclusion, the ruling outlined the federal government’s responsibility for legislating and controlling intrastate commerce.

the answer is: must pay taxes on profits

since it is considered as a part of your income, profits from investments is eligible for tax payment.

the tax from your investment could be influenced by how long you decided to sell it. united states promotes keeping your investment for long term period. so, the tax rate for investments that you sell in less than one year is typically higher compared to investments that you sell in more than one year period.