Industrialization led to increased demands by the public for (blank)

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!

the correct answer is 50.

you can talk about what you learned about them. and you can talk about what happened on you're journeys with them. and then you can put all of the thing you learned about them in you're diary.