In exchange for manufactured goods, native americans in the west often traded

Furs

Explanation:

American Indian life was based on hunting and thus furs were one of the main goods traded by them in exchange for manufactured ones.

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.