By lowering trade barriers....I think. Sorry if it's wrong
Answer:
I believe it is B but if you have a text you can see if the answer matches with the text
Answer:
Mid-latitude steppe and desert climate, major climate type of the Köppen classification characterized by extremely variable temperature conditions, with annual means decreasing and annual ranges increasing poleward, and relatively little precipitation.
Explanation:
Each party policy committee provides research and other services to senators and also serves as a forum for discussion of party legislative strategy.
I don't know if that helps at all but it's what I've got lol