Pioneers who crossed the western mountains in the mid-1800s were threatened by exposure to too much sun. apache and comanche attacks. snow and cold temperatures. slow travel across sand.

The correct answer is C) snow and cold temperatures.

The Pioneers who crossed the Western mountains in mid-1800s were threatened by snow and cold temperatures.

The Pioneers faced so many dangers when they crossed the Western mountains in the 1800s. The heavy snow, the extremely cold weather, and the wildlife were among the threatens during their expeditions. Diseases stroke many of the Pioneers who died in the intent to cross the mountains.  

the law supported victims of political persecution.

explanation:

true

explanation: