1. art protesting a particular war was first . in ancient timesb. in the twentieth centuryc. about fifty years agod. about two hundred years ago

B. In the twentieth century.

Explanation:

The term "protest art" makes reference to the creation of works by activists and social groups who elaborate from paintings and illustration to banners, posters, signs and many other works in order to transmit a specific message or stand for a cause. It is a form of rebellion against social injustice or disconformity, such as protest art against Vietnam War.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.