Prior to 1848, monumental canvasses were reserved for . a. religious images b. triptychs c. heroic subjects and pictures of the powerful d. landscapes

c. heroic subjects and pictures of the powerful

Explanation:

Monumental canvasses are known as a work of art , sculpture or architectural designs which are very unique and amongst the best.

Back then before 1848, their major function were reserved mainly for heroic subjects and pictures of the powerful but presently it tells a lot about our backgrounds, culture and heritage .

100% sure it is C

Explanation:

Give me more points ; ]

it's a joke don't.

trying using google im so sorry