Union Terminal is an example of how train travel can come back to life. The United States is planning on investing in high-speed train travel and creating at least 30 new routes. It could help with traffic problems and pollution if more people were able to travel by train. In other countries, trains have never been in decline. In these places, people are still trying to make train travel faster and more efficient than it was in the past. For example, China is developing a train that can travel over 370 miles per hour. It is safe to predict that train travel is here to stay and will get faster over time. All aboard! Select the inference that can be made to support the author's claim that people have worked to make train travel faster and more efficient. In other countries people still travel by train. People still have a desire to improve train travel. Train travel is becoming safer and more efficient. Union Terminal is coming back to life