As just a cheap way of selling African Americans to white people for work.
The left 4 is in the hundreds place, the middle four is in the tens place, and the right four is in the ones place; 400, 40, and 4
Alright, basic research basically means finding out an answer to fill in the knowledge that people don't have or we have while applied research basically means to seek the question with an answer and solve the problem. hope this explains it :))