Final answer:
Squanto was the most critical to the survival of the Plymouth colony by teaching the Pilgrims vital survival skills. The incorrect pairing among the founders and colonies is William Brewster/New Haven, as he was associated with Plymouth.
Step-by-step explanation:
The most critical person to the survival of the Plymouth colony was B. Squanto. Squanto played an essential role by teaching the Pilgrims how to cultivate the land and maintain a relationship with the local Native American tribes, which was vital for the colony's survival. While William Bradford, John Carver, and Miles Standish were pivotal leaders for the Pilgrims, Squanto's direct assistance with agriculture and survival skills proved crucial for the settlers during their initial years, making him instrumental in their survival.
Incorrect Pairing of Founders and Colonies
The incorrect pairing among the given options is c. William Brewster/ New Haven. William Brewster was a senior elder with the Plymouth colony, not associated with the founding of New Haven, which was actually established by John Davenport and others.