Which was a positive effect of westward expansion for Native Americans? A. new trade and economic opportunities
B. greater representation in government
C. wider markets for their manufactured goods
D. less dependence on traditional food sources

b

Explanation:

mark me brainleiest and i did the the edge test

ok, so basically your gonna start with 350 ok. so there's 60 seconds in a minute so that means you he can go up 10 ft per minute. soo, after 3 minutes he should be at 260 ft after three minutes : )

i believe your answer is d)