He felt like a small boat on a(n) ______ ocean.

A．Families worked in loosely organized groups.
B．Land was distributed to each member in a family.
C．The family was the smallest unit in westward migration.
D．Families moved westward to seek religious freedom.

A．to provide wagons for the westward migration
B．to give free land to the people
C．to organize families into groups
D．to elect leaders for the journey west