The best option will be the C. Railroads made the rapid movement of produce and goods into many markets possible.
Because Railroads basically were the key point to national business and economic growth. Eliminating the needs for long and weary trips, while also founding and fueling other soon-to-be huge business industries, such as iron, coal, copper, machinery, etc., railroads made "rapid movement of produce and goods into many markets possible."
B. American Indians had not been exposed to diseases from different parts of the world
<span>Assuming that this is referring to the same list of options that was posted before with this question, the way in which this is done is by highlighting their poor working conditions. </span>
Answer:
legislative branch must approve appointments that the president makes; the Senate must approve treatjes that the president makes; and the legislative branch may investigate the executive branch.
