Machines have come and gone, but the spirit of invention lives forever. which underlined word functions as a preposition in the sentence

he is. some of his decisions were very irresponsible and did lead to the death of both romeo and juliet, such as him marrying them too quick or him not clarifying romeo's plan with him.

basically he did not think things through well enough or at all.

hope this

showing or having an insensitive and cruel disregard for others. (so basically being heartless)

hope this : )