You need to Paste the Chart you are talking about in order for me to answer it
Answer:
Telegraph
Explanation:
Before the invention, information had to be send by horses, boats, trains, and any other transportation. This would take very long and it was ineffective for a lot of train stations. If a locomotive had to abort a departure than the communication would take a long time and it was usually by horses. After the telegraph was made this helped the train station be more effective by knowing exactly when the trains would go to which station. This made the stations much more smoother and have more departures and less waiting time for the people boarding on to them.
answer: C, The Navigation Act of 1651 marked England’s first real attempt at strictly enforcing mercantilist policy in the New World. The Navigation Act declared that all goods exported from the colonies had to be carried on English ships—ships that were built, owned, and manned by Englishmen or English colonists
