Which posed the greatest challenge to pioneers crossing the western mountains? overpopulated rest areas lack of water hot desert sand steep and dangerous passes

Leaving early enough to cross the mountains before the winter snows, knowing what to take and what to leave behind, fresh water, prairie fires, diseases, exhaustion, the heat, equipment breaking down, and getting lost are just a few of the hardships. Surprisingly, problems with the Native Americans was rare.

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation:

d. migration of french settlers into english colonies