Which of the following was a key in the growth of the empire of Axum?

Expansion of trade to include Greek, Roman, Arab, and Indian merchants.

Utilization of trade routes throughout Africa, the Mediterranean, and Asia.

Successful raids over neighboring lands that resulted in new territories.

The discovery of silver, copper, and iron, which brought new wealth to the area

Read this passage: wendy is trying to learn more about the city's role in a chemical spill that occurred a few miles from her apartment. when she finds only a very short article in the local newspaper, she searches for articles on larger newspapers' websites to determine what might have been left out of the original article. which method of identifying bias is most clearly used in the passage? a. considering motivations for bias b. using a variety of media sources for information c. fact-checking stories d. comparing different stories on the same topic