<span>a. A baker relies on a farmer for grain, the farmer relies on the blacksmith for tools, and the blacksmith relies on the baker for bread.
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The working conditions of the growing Russian industrial class in St. Petersburg and Moscow "<span>c. Were terrible and left the workers receptive to revolutionary propaganda," since there were no laws that protected workers' rights or safety at this time. </span>
This is a bit subjective, because there are a few ways this sentence could be re-written, however "<span>Tom opened the box and looked into it, only to find it empty" is the most standard. </span>
<span>She felt she was unable to sleep because she had to protect her infants from the wild beasts on the frontier. In addition, she had to prepare food out in the open, instead of being able to make it in the confines of a kitchen. She felt, however, that Michigan was still a more hospitable place to live than in New York.</span>
