"a. Captain John Smith became the leader of Jamestown and set up guidelines and rules for the settlers to follow" and "<span>b. William Bradford and William Brewster saw North America as a land where they could practice their religion freely" would both be correct statements, since religious toleration in Massachusetts was not wide-spread. </span>
“ The rebels promised to provide laborers to help the United States build Panama Canal. “
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The story "The Rat and the Mongoose" may help answer this question.