They mainly used the Missouri River
Answer:
Venezuela's vegan <u>travelling</u><u> </u>to cities in the mid-1900's for the jobs and opportunities they offered.
There are four main types of unemployment in an economy—frictional, structural, cyclical, and seasonal—and each has a different cause. Frictional unemployment. Frictional unemployment is caused by temporary transitions in workers' lives, such as when a worker moves to a new city and has to find a new job.
Politness.................................