The railroad system was important for imports and exports out west. Another main reason is for the transportation.
I hope this helps! :)
Answer: Research and development or Read and draw.
Explanation: Research and development, known in Europe as research and technological development, is the set of innovative activities undertaken by corporations or governments in developing new services or products and improving existing ones. ( you can find this on Wiki) Now for school teachers using R&D meaning Read and Draw, another way to get info faster and better, its mostly "Back to Text" though. Hoped this helped! :D
Goo0ogle this one, answer comes up
5. Ashley is a college professor who has recently graduated with her PhD and has no kids. At her first job, the University offers her the benefit of waiving tuition for her children to go to school there. Their incentive lacks ______________ for her.
d. valance
D. The Federal Government’s powers are defined; other rights are reserved for the states and the people.