Read the excerpt from it's our world, too! : young people who are making a difference. the author’s purpose in this excerpt is to

the passage can be best described as: "the british legislature extended an unwarranted jurisdiction".

we can say that because the text clearly states how the people of the colonies warned the british about their excessive desire to rule over them, without taking into consideration the difficulties their brothers had experienced in america: they struggled to establish the colonies, to adapt to new types of weather, fight with the natives, etc., and how they now see (or then saw) the only way out was to cut all ties with the british, since they ignored the people's petitions.

d. would be the correct answer. this because when finishing an informative essay, you want to recap what the argument of the essay was and how you were able to support it.