Answer:
Strong words:
Marred by Dust, Sweat and Blood, and Strives Valiantly
Normal words:
Credit Belongs, The man, and There is No Effort.
The answer would be d). These words all indicate that it is the protagonist who is speaking.
<span>The correct answer is the plow. Before plows, there was no way to use the land to its full extent. Shovels couldn't dig far deep in and it was kind of pointless, while plows were pulled by bulls and horses way before the tractor was invented. The sickle was just a long knife useful for cutting crops but other things could be used too.</span>