Which of the following statements BEST explains how command economies have changed over time? A. Command economies have failed immediately when attempted. B. Command economies have become more common since 1986. C. Command economies have experienced some success, but have declined economically. D. Command economies have completely succeeded each time they have been used. Please select the best answer from the choices provided A B C D Hurry please

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

the answer is true .

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.