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.

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned