Please help me on this English assignment below need help ASAP please

Who thin the context of this excerpt from act 2, scene 1, of macbeth, what is the meaning of the word multitudinous?

Which best compares the authors’ purposes in silent spring and “save the redwoods”? both authors want readers to protect human rights. both authors want readers to focus on saving trees. both authors intend to entertain readers with their essays. both authors intend to convince readers of their viewpoint.

How is the word laud and welcome different