Thoreau's essay, Civil Disobedience, represents which type of writing?

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. The transcendentalist (believer that organised religions and institutions such as government corrupted the human beings who were innately good) propagated his thoughts in the form of this essay.