If someone were to write a essay talking about what happened in the boston massacre who would read it? who is the audience?

I think the audience would be classmates, teachers, family, friends..

Read once again task - in it you have why someone have to write it and where it will be used e.g newspaper or magazine - they are audience and who will read it.

Generally use formal languge

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.