Two things that increased american interchanges in the late 1800s were "b. the telegraph and telephone," since both of these creations significantly accelerated correspondence and made it more productive.
Advancement in art and literature. correct me if im wrong plz
Answer:
Mr. Gorbachev, who arrives here on Monday for his third summit conference with President Reagan, has used all the tools of modern communications to project an image of reasonableness, accessibility and, above all, change. What appears to be his success in reaching the American public is an important element in the equation of the meetings themselves.