Searching for on these questions ! 1. which geographic features especially challenged settlers on oregon trial? cliffs and caves state borders and plains rivers and mountains flat grassland 2. how did settlers claim ownership of the land in pacific northwest? they farmed the land for four years land had to be cleared the building of structures established a claim they had to make a treaty with local native americans 3. why were settlers reluctant to settle in the area of washington before 1846? it had been reserved for the pacific northwest tribes it was owned by the hudson bay company it was part of the french colonies it wasnt certain that washington would be part of the u. s 4.how could wagons limit the travel of early settlers? they were not large enough to carry the necessities they could not easily travel across rivers. they had to be pulled by at least four oxen they were not built for long distance travel. 5. why did settlers bypass the whitemans missonary settlment in easter washington durring the later years of westward expansion? settlers where required to pay large fees for passage through the area. the government set aside the area for native american tribes native american in the area had become hostile the missonaries where sotile to new settlers