Final answer:
Alvar survived his journey west by securing a game at hand, building protective fences, and adapting to the environment to ensure he had sufficient resources.
Step-by-step explanation:
Alvar survived his westward journey during a time when travel was fraught with peril such as illness, starvation, and the threat of violence.
Tales from the past reveal different methods by which individuals endeavored to survive.
Some individuals, like Alvar, found fortune in the matter of game at hand and took preventive measures by building fences with aspens and willows to protect their food sources and camps.
Ensuring a supply of resources and a keen ability to adapt and overcome difficulties were key to survival in a harsh and unpredictable environment, as indicated by the individuals who built firesides, foraged for food, and safeguarded against wildlife threats.