Pls help me answer this question if correct I'll make brainylist

D

due to new people visiting the land and taking what the natives had or their families for slaves in later time my best guess would be by all the taking in the history with the natives and new people coming over i say the one that makes most sense is in fact D :3

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.

answer; mental health prevention programs;