In the late 1700s and early 1800s, the Osage tribeltraded only with Chouteau brothers' outlets, which indicated the traders'
of the local fur trade.
A frontier
B. evangelism
C. monopoly
D. revival

your stuuupid lolz

explanation:

b. the 200th birthday of the united states

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.