¿A partir de qué momento comenzó a echarse el cuarto piso al desarrollo de la cultura nacional puertorriqueña y
cuál a sido su resultado?

in what process is there a multiple choice answer?

im sorry i wish i can but try google

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.

the answer to your question is,

old stone age.

-mabel < 3