In the book "Things Fall Apart" by Chenua Achebe. Cowries, the shell of a type of mollusk, are the primary currency in many of the african villages. historical the shell have been found across subsaharan Africa where they were obtained through trade with travelers from farther east along the coast and possibly asia.
When George W. Bush was president, he changed America's security policy as a result of the September 11 attacks from one of <u>reactivity </u>to <u>proactivity</u>.
<h3>How did America's security policy change after 9/11?</h3><h3 />
Before 9/11, the U.S. were not very proactive in seeking out terrorist threats which led to lapses in security.
After 9/11 however, the U.S. began to actively watch out for terrorist activity with unprecedented monitoring of civilian and foreign communication.
Find out more on U.S. Security policy at brainly.com/question/438784.
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Secondary reinforcers are learned or conditioned. An example of a secondary reinforcer is grades or money. Secondary reinforcers are learned and are reinforced by the continual use of the reinforcer. Primary reinforcers are biological and include food, drink, and pleasurable activities.
Answer:
Literary sources are the information sources reviewed to create a report or a writing assignment. Sources include information in print, electronic and visual formats such as books.
Answer:
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