Which sentence uses a verb that agrees with its subject?

a.
many books was on the shelf.

b.
many books were on the shelf.

c.
many book are on the shelf.

d.
many books is on the shelf.

the type of supporting detail is fact!

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