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

Airplanes and farming

During the wartime, airplanes industries managed to develop the technology that allow the planes to move at higher elevation and speed, which would give a competitive advantage during the war.

The development in farming revolve around their preservation technique, which made is easier for the government to prepare the meal supply for their soldiers.

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

the answer would be:

b. race