Which best explains how the idea of non-violent protest has changed since Thoreau?

Answer:It has become less and less aggressive and confrontational

Henry David Thoreau's essay Resistance to Civil Government or briefly known as Civil Disobedience, is an essay. It is a revolutionary form of essay writing.

There are several factors that propelled Thoreau to write this essay, some of which were slavery and the Mexican-American war. He wanted to make the people realise how the governments were manipulating them and overruling their consciences.