Answer: for the life of the author plus seventy years
Explanation: The copyright law of the United States is intended to encourage the creation of art and culture by determining who may publish, copy and distribute a piece of writing, music picture or other works of authorship.
the law expire 70 years after the author's death.
In 1942, Christopher Columbus landed in the Caribbean, unlocking what Europeans quickly came to call the “New World”. Columbus “found” a land with around two million inhabitants. He thought he had found a new route to the East, so he mistakenly called these people “Indians”.
Two major quantitative research tools which are being used by sociologists would be graph theory - graph theory is a special area of mathematics which gets used in social network theory and is an interesting tool to use. Another are questionnaires which represent the bulk of sociologist empirical research.
The answer is "Everyone at the company,including managers and employees"
