(Mark brainliest) Which challenges did pioneers typically face on the Santa Fe Trail in the mid-1800s?

1) desert sand that slowed wagons to a crawl

2) harsh winter snows that trapped travelers

3) heavy rainstorms that washed away roads

4) rugged mountains that were hard to cross

(Notes in picture)

desert sand that slowed wagons to a crawl

Explanation:

travel was hard due to the desert sand slowing travel

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.