This is an subjective statement. Subjective tells the opinion and attitudes of ones own moods ;)
Climatic condition was the major factor for migrating to new places.
Among the choices posted, the best and only sensible answer is: the search for food items. The Asians who crossed the Bering Strait did not need to spread religion, to bring slaves from Africa nor the desire to conquer new peoples.
Since 1970, the federal government has run deficits during every fiscal year FOR ALL BUT 4 YEARS, from 1998 to 2001.
this state is called California