The multiple alliances that preceded the war shifted to become two alliances—the Central and the Allied powers—during World War I. Review these alliances by matching each country with the side it fought on during World War I. Drag the items on the left to the correct location on the right.

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.