I believe Steam engine and cotton gin
Well this question or at least a very similar question was already answered before but i'm going to do it again anyway. Yours is just worded differently.
The answer is: POOR Farmers
Answer:
<em>The speaker is summarizing the speech</em>
Explanation:
To summarize implies to express a complex or long idea briefly. This means concisely revisiting what you've just been thinking about in a way that's open to your audience in the sense of your expression.
Summaries should be small, with only the most important information and ideas included.