Which description of henry david thoreau is accurate?
a. the author of many poems about the founding fathers that became patriotic songs
b. the author of several children's stories and novels that are still read today
c. the author of an essay on civil disobedience that influenced mohandas gandhi and martin luther king, jr.
d. the author whose books on the natural world inspired landscape artists across the country

C. the author of an essay on civil disobedience that influenced Mohandas Gandhi and Martin Luther King, Jr.

The mentioned essay was "Civil Disobedience", also named "Resistance to Civil Government" (1849). In there, Thoreau argues in favor of disobedience when the state is unjust and overrule people's consciences. In this case, people have the duty to not participate in that kind of government.

The essay criticizes American social institutions and policies such as its pro-slavery system and its practice of aggressive war (the Mexican-American War is an example of that). This piece of writing later influenced notable figures such as Leo Tolstoy, Mahatma Gandhi, and Martin Luther King Jr.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

c. troops marched forward in close formation against newer, more accurate weapons