Why were the founders of the Plymouth Colony called pilgrims? The founders of Plymouth believed they were destined for success.

The Plymouth colonists believed they were making a religious journey.

Explanation:

The founder of the Plymouth Colony called pilgrims because they were the religious seekers who wanted to practice their religion without any obstruction.

For the first time, the Pilgrims (Separatists) reached to New World by Mayflower ship which carried about 102 passengers and formed Plymouth colony.

The separatists decided to separate themselves from the Church of England because they saw too many Catholic practices and beliefs in the Protestant Church.