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

a. rucking and mining
b. passenger cars and farming
c. airplanes and farming
d. shipping and mining
e. passenger cars and mining

What was the main point of helen hunt jackson's book, century of dishonor? a.it showed how unfairly american settlers were treated by the us government. b.it proved that american government was not responsive to the will of the people. c.it made the point that free land was no longer available to new settlers out west. d.it outlined the poor treatment of the native americans by the government.