In what ways did methods of communication improve in the late 19th century

The development of things such as the telephone, cheaper printing techniques, and the camera led an increase in the amount of communication carried out via telephone, print, and photography.

Explanation:

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.