William Blackstone's ideas promoted A. representative governments for the colonies.
B. independence from England for the colonies.
C. adherence to laws passed by the English parliament.
D. an independent legal system in the colonies.

D

Explanation:

Blackstone's works helped the American colonists understand their rights according to English common law because Blackstone made those laws approachable. The Americans fought a revolution, won, and then found themselves faced with the task of actually doing what they had wanted: building their own government.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

monarchy doesn’t have to have the hereditary element. there have been elective monarchies in the past where you choose your king-for-life and when he dies elect someone else for the job.