) Which of the following eras were only the U.S. government, colleges, and universities able to access the Internet? Select one: 1....

) Which of the following eras were only the U.S. government, colleges, and universities able to access the Internet?

Select one:

[removed]1. 1960s

[removed]2. 1970s

[removed]3. 1980s

[removed]4. 1990s