Which of these was used during world war i to gather information about enemy positions?

What impact did improvements in farming technology near the end of the nineteenth century have on the american economy? a. more energy was needed to power equipment, creating the renewable energy industry. b. less labor was necessary on farms, leading workers to pursue other jobs. c. less money was invested in farming as many locally owned farms went bankrupt. d. more demand for agricultural products reduced the price of food and animal products.

Explain both sides of shays rebellion. include perspectives of the political leaders of the rebellion.

The state fire marshal ensures a program can legally operate in a specific location and has sound structure?