The Selective Service Act or Selective Draft Act authorized the federal government to raise a national army for the American entry into World War I through the compulsory<span> enlistment of people</span>
One way to travel to the West was to sail around the tip of South America, the other way was to travel to the end of the railroad line and take a rough trail on land in wagons pulled by horses, mule, or oxen
The answer is d. I hope this helps you
