President nixon's alleged abuse of authority in which war led to the war powers resolution of 1973?
the vietnam war
the iraq war
the korean war
world war ii

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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