Which Group Represents the Typical Pattern of Western Migration Between

Which group represents the typical pattern of western migration between 1790 and 1840?

A) lone, male pioneers, who sent for their families once they'd established a homestead
B) groups who helped one another clear land, put up buildings, and establish communities
C) recently married couples who did not yet have any children, although many of the women were pregnant
D) groups of young men in fierce competition with one another for resources and land
E) immigrant families from southern Europe, who proceeded west on trains from the port cities