1. The west African country lost most of there a people men and woman to slave trade.
2. West Africa had more natural resources than any other part
Investigations or experiments help to build scientific knowledge through the findings that these experiments or investigations help to build. The body of knowledge is created through the work of numerous individual and team scientific investigations and experiments into unknown phenomenon. This work culminates in helping to build scientific knowledge.
Answer: Consistency and Accuracy
Explanation:
Consistency tends to prove how reliable a test can be while to know it's validity we check how accurate it it is.
The "Monitoring the Future (MTF)" collects information to measure substance and alcohol use patterns among youths.
In 1975, the National Institute on Drug Abuse supported the yearly self-report overview. Monitoring the Future (MTF) is a continuous investigation of the practices, states of mind, and estimations of U.S. auxiliary school understudies, undergrads, and youthful grown-ups. MTF overviews an example of secondary school seniors, tenth graders, and eighth graders chose to be illustrative everything being equal, tenth graders, and eighth graders out in the open and private secondary schools in the United States.
A command economy is when the dictator or ruler takes control of the market.