It was the "Transcontinental railroad" that great helped to further the Westward Expansion in the United States after 1865, since although it wasn't oficially completed until 1869, it began to reach further and further west beginning at this time.
Answer: D. to the right
Explanation: A wave is transporting energy from left to right. The particles of the medium are moving back and forth in a leftward and rightward direction.
The answer is; because churches that were organised must like the political system.
<em>Hope this helped! :)</em>