What traditional African export system from 1200-1450 continues into 1450-1750

Which allows college students to work part time jobs to pay for educational expenses

Question 1(multiple choice worth 10 points)} stefan sees a commercial on television that makes him think he needs to buy an e-reader. this is an example of wasting time getting distracted allowing someone to set goals

The larger the investment you make, the easier it will be to: get money from other sources. guarantee cash flow. buy insurance. streamline your products.