Which of the following was not a reason that most members of immigrant families had to get jobs?
A. Their right to vote was dependent on their jobs.
B. They could not survive on a single income.
C. They had spent all of their savings just to get to America.
O D. The jobs available to them did not pay very much.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.