The Indian Ocean does not touch the continent of North America. The Southern Ocean (the fifth ocean), which is sometimes considered by many to be an extension of the Pacific, Atlantic and Indian oceans and surrounds Antarctica, also does not touch the continent of North America.
Answer:
Covering approximately 800 miles, the Santa Fe Trail extends from Independence, Missouri to present day Santa Fe, New Mexico. The Trail originally began in Franklin, Missouri, but the trail head was moved to Fort Osage and, by 1827, to Independence. ... The Santa Fe Trail was first used in 1821 by William Becknell.
Explanation:
I believe the answer is:
The Affordability Of Cell Phone Service
The widespread availability of the Internet in homes
Before these two exist, it is difficult for people to obtain new information and contact other people in different regions. After the development, we could even easily contacted other people in different countries and the flow information could happen with one single touch from our hand