Atiny copy of a full-sized object is know as a a. bluff b. miniature c. haven d. monarch

A tiny copy of a full-sized object is known as a miniature.

Miniature is the most considerable out of the options you were given.
Bluff - it means fake or a hoax.
Haven - it means a shelter or a harbor for boats.
Monarch - it means a ruler.
Miniature - it means small or tiny. 

Fine until slavery ya ya haha

Italy , germany, austria, japan, and brazil.