Why did the northwest tribes use cedar trees to make many items for everyday use?

Cedar trees grew well in the northwest region because of the temperate climate.

Explanation:

The northwest tribes considered to be the richest of the tribes in America. They had plenty of natural resources which made these tribes depended on the forests. The climate of the northwest region is temperate with heavy rainfall which provides thick forest. They made their homes with the use of Ceder, as well as massive canoes. Since they depended on the forest items, they used the Ceder in everyday use. Cedar provided the raw material for houses, Canoes, boxes, baskets, carvings, and clothing.

a drastic rise in oil prices ended decades of postwar.