The intestation in a science text describes details involved in completing the experiment
shares the data found after an experiment is concluded
es the background and purpose of an experiment
interprets the results of a completed experiment.

it is believed to be alfred, lord himself

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.