In addition to weaponry, communication, and medicine, which war time industries had significant technological breakthroughs?
a. trucking, mining
b. passenger cars, farming
c. airplanes, farming
d. shipping, mining
e. passenger cars, mining

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned

is this question from a book? ?