Why were mobile gas vans invented?
a. to provide a less painful and traumatic death for the victims
b. to make killing more impersonal for the nazi soldiers
c. to increase efficiency
d. to eliminate the handicapped
e. to kill jewish women and children

The correct answer is b. To make killing more impersonal for the Nazi soldiers.  These vehicles were developed when the most effective forms and methods for the mass murder of Jews were investigated. The exhaust gases were used to kill people by inhaling carbon monoxide by trailers or gas chambers called Gaswagen.

the answer is b just took the test

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.