Need help with world history quiz it’s time limit you got to be fast 11 questions who can help me please If yes I will stay the quiz and post the question you need to be fast I only got 45 min

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.