Answer:
Salt is an important mineral for human bodies to survive, not to mention that it tastes good if you know what food to put it on. Gold was a valued precious metal, and sometimes was used as currency in coinage, and was also used in jewelry. The African kingdoms had lots of both, as there were many gold deposits and areas where salt could be mined or harvested from.
Answer:
D) scratching
Explanation:
beacause A) they couldnt really print back then. And the rest of them would just wash off in the water.
Answer:
for trade between the Roman Empire and China
Explanation:
The Silk Road was a vast trade network connecting Eurasia and North Africa via land and sea routes. ... Advances in technology and increased political stability caused an increase in trade. The opening of more trade routes caused travelers to exchange many things: animals, spices, ideas, and diseases.
The United States was able to become a major industrial power due to an abundance of natural resources needed in the industrialization process, an abundance of labor, technological developments, trade, and its ability to export products across its oceans and also land bordering neighbors. Through an increasingly productive workforce and mechanized manufacturing the United States was able to make enormous gains throughout its period of Industrialization and become a major industrial power.