be is the answer that applies to this exert. Hope this helps. :)
<span>This article integrates findings from earlier research (Roessingh and Kover, 2003; Roessingh, Kover, and Watt, 2005) linking distinct patterns of achievement</span>
Toestablish post offices and post roads
Issue patents and copyrights
Fix standards of weights and measures
Establish courts inferior to the Supreme Court
To make all laws which shall be necessary and proper for carrying into execution the foregoing powers