The journals of early travelers such as Ibn Battuta of Morocco, Zheng He of China, and Mansa Musa of Mali are examples of

1.primary sources describing observations of the travelers
2.works of fiction intended to describe the adventures of the travelers
3.secondary sources that record the travelers' interpretations of history
4.outdated resources for historical research

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who was who made build the wrought iron gates?

To answer this question, it is helpful to understand the difference between primary and secondary sources. Primary sources are firsthand accounts or original documents created during the time period being studied. Secondary sources are created after the time period and interpret or analyze primary sources.

In this case, the journals of early travelers such as Ibn Battuta, Zheng He, and Mansa Musa would be considered primary sources. These are the actual accounts and observations made by the travelers themselves during their journeys. They provide firsthand information about the places they visited, the people they encountered, and the events they witnessed.

Therefore, the correct answer to the question is:
1. Primary sources describing observations of the travelers.

To find this answer, you can refer to the link you provided: http://www.jiskha.com/display.cgi?id=1177723998

This link provides information about primary and secondary sources, and it explains that the journals of early travelers fall under the category of primary sources. By understanding this distinction and applying it to the given question, you can arrive at the correct answer.