Answer:
Under the Constitution, the vice president serves as the president of the Senate and presides over the Senate's daily proceedings. In the absence of the vice president, the Senate's president pro tempore (and others designated by them) presides.
Answer:
The First Amendment protects their right to assemble and express views through protest.
The Economic Opportunity Act was created to address poverty. Although it should be noted that some aspects of the Act were indirectly focussed on health as well.