What are the criteria of an effective informative essay?

The informative essay includes information that educates and informs readers about a certain event, person or idea. It consists of an introduction, body, and conclusion. Choose first the major ideas to describe. Proper structure of informative essay brings reader's attention and makes it interesting for a wide audience.

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.

this is the sentence that best shows that fast food restaurants are designed for using unskilled labor.