西部 せいぶ開拓 かいたく

seibu kaitaku

1. Not Western expansion.; Not the Western development.

1. Was Western expansion.

1. Western expansion; Pioneering the West

1. Western expansion; Western development

1. It is not Western expansion.; It's not about pioneering the West.

1. It's not Western expansion.; It isn't the Wild West.

1. Was western development.

1. Western development; Western expansion

1. Is not Western development.; Is not about Western expansion.

1. Wasn't Western expansion.; Wasn't the Western development.

1. Probably the Wild West.

1. Was not Western development.; Was not pioneering the West.

1. Wasn't the Western expansion.; Wasn't about Western development.

1. Probably the Wild West.

1. Was not Western development.; Was not pioneering the West.

1. If it were Western expansion; If the West had been settled

1. If the American West were to be developed; If the Western expansion happened

1. If the westward expansion…; When the westward expansion…