When should you use an in-text citation? only at the end of the paper every time you use a fact or a piece of information from a source. only if you use the same source two or more times in a row. only if you use three or more facts from that source

every time you use a fact or a piece of information from a source.   When introduced, you should use in text citation, as well as when you reintroduce them later on. However, if they are the only source, you do not have to reintroduce  Hope this helps

yes

explanation:

eli whitney was an american inventor best known for inventing the cotton gin. this was one of the key inventions of the industrial revolution and shaped the economy of the antebellum south.