"In its day, the Trail served primarily as a commercial highway. The military used the trail to haul freight to supply the southwestern forts. The Trail was also used by stagecoach lines, those seeking gold in California and Colorado, fur trappers, and emigrants. The Trail in effect brought together Spanish and American cultures and. Many interactions, both amicable and contentious, between settlers and soldiers and the Plains Indians also occurred along the Trail."
"<span>Technological innovations enabled people across the country to share a single media experience" would be the best option from the list, since this was a time of great consumer demand and spending as well. </span>
World War I changed the way wars were fought because of the widely known trench warfare. Because troops inside the trenches were much more protected than troops outside, it led to much more prolonged battles.
The Double Victory campaign, launched by the Courier in 1942, became a rallying cry for black journalists, activists and citizens to secure both victory over fascism abroad during World War II and victory over racism at home.