Question

In addition to weaponry, communication, and medicine, which war time industries had significant technological breakthroughs?

a) trucking and mining
b) passenger cars and farming
c) airplanes and farming
d) shipping and mining
e) passenger cars and mining

Answer 1

http://www.historylearningsite.co.uk/medicine_and_world_war_two.htm
maybe this will help

Answer 2

c

Answer 3

was it really c