President harry truman changed the united
states military after world war ii by
(1) allowing women to serve in combat roles
(2) establishing an all-volunteer army
(3) banning racial segregation in the military
(4) withdrawing all military forces from europe

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.