Why are secondary sources important to study of history

A secondary source tells you about an event but it is a time after the event occurred. Secondary sources are second-hand information. A secondary source comes from someone who has done research and then writes about an someones experience. Secondary sources are important because they can give you the information of what happened, without actually being there. In other words, it gives you the details of what happened in the event but you're not actually there witnessing it. Examples of secondary sources could include biographies, textbooks, and almanacs. In our world today, historians can't go back in time so secondary sources are very important to see what happened a long time ago.

The correct answer is B) these sources provide information written by other authors.

Secondary sources are important to study history because these sources provide information written by other authors.

Direct information or testimonies from the people who were part of the historical events are called primary resources. Secondary resources are books, magazines or articles written by other authors that had made research on the topic at hand.

The other options of the question were A) these sources include bones and weapons. C) museums usually contain the majority of these sources.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

the correct answer is b