Answer: The terminology <em><u>bucket brigade</u></em> is a technique for transportation of items where items; passed from one person to the next. The method was crucial in firefighting ahead the arrival of pumped fire engines, whereby firefighters would pass buckets to each other to extinguish a flame.
Therefore the correct term for the given question is<u><em> bucket brigade.</em></u>
The Kansas River stop was most likely the most dangerous stop of the Oregon Trail.
Rivers crossing was usually dangerous for settlers with unpredictable tides ran the risk of drowning, losing livestock, losing important supplies, or overturning wagons.
This is very jumbled but I believe the the last one ?
B. and C. should be your answers!