Which words in the preamble to the united states constitution suggest that the government has authority to set up which words in the preamble to the united states constitution suggest that the government has authority to set up courts

The words that define the United States Preamble in their authority to set up courts is to Establish Justice. This preamble is an introduction of the Constitution's primary purposes and principle. Its goal is to be a reliable evidence and to state what they hope to achieve.

They mowt likely lived in caves or maybe rock houses,i know they are similar but its all i know