Why did president Johnson believe it for the south

(05.04 mc) how did the roman transportation system keep the empire strong? plz

Why were americans concerned about the future of north and south america? check all of the boxes that apply. they worried that european countries would take over independent countries in latin america. they thought that european nations could threaten democracy in the united states. they believed that europe would never again return to the americas.

Doing an exit ticket and i need some