Answer:
True
Step-by-step explanation:
The US constitution establishes the national government and fundamental laws, it also guarantees the basic rights of the citizens.
The government and all the laws springs from the constitution and the constitution is fundamental to everything that it authorises or creates. Hence a law that is created under the constitution cannot have more authority than than the constitution. The Article 6 of US constitution makes it clear that the constitution is the supreme law of the land.