Final answer:
Freedom and difficulty were central themes in the poem, as the Pilgrims sought religious freedom and faced various challenges.
Step-by-step explanation:
In the poem 'Landing of the Pilgrim Fathers in New England,' freedom and difficulty were central themes. The Pilgrims left England seeking religious freedom, as they were persecuted as dissenters from the Anglican Church. The poem also highlights the difficulties faced by the Pilgrims, such as the harsh winter, dangerous storms, and hostile encounters with the Native Americans.