What is the approximate average elevation of the united states?

Select the two railroad lines that the north needed to capture to cut southern communications. a. memphis to chattanooga to richmond. b. vicksburg to savannah c. charleston to nashville d. new orleans to montgomery to knoxville.

Select the correct answer from the drop-down menu.during the (scientific revolution, renaissance, industrial revolution), european intellectuals rejected many teachings of ancient scientists promoted by the church. to replace flawed theories, scientists began researching and conducting experiments. they used critical and reasonable thinking to draw concrete conclusions. this also led to the (scientific revolution, industrial revolution, enlightenment). it was an age that focused on using reason for understanding laws of nature and identifying humans' natural rights.

Between 1870 and 1916, approximately how many immigrants came to the united states? 10 million 25 million 75 million 125 million