Why did foreign interest in persia and saudi arabia increase in the first half of the twentieth century

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

What was the most common destination for african american migrants between 1910 and 1930

What group elected their first democratic member of congress under the new deal coalition? a- northern blue collar workers b- african americans c- native americans d- poor southern whites