(PLS HELPP) What made the end of the Oregon trial more difficult than other parts of the trail? A. There were steep cliffs and a raging river to cross.
B. The Native Americans were not friendly there.
C. There were no places to get supplies at the end.
D. The guides would not travel that far.

A. There were steep cliffs and a raging river to cross.

Explanation:  The Columbia River was frequently used to transport people and their belongings in canoes or on rafts, but sometimes raging rapids and dangerous currents from flooding caused the vessels to tip and people drowned.

There were steep cliffs near the Willamette Valley and people would have to walk the steep, hazardous trail over the Lolo Pass or later, the somewhat easier Barlow Road.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

the main reason that the constitution did not proclaim all men to be free and equal is because of the issue of slavery.