It is important to make certain that your source for historical research

It is important to make certain that your source for historical research is Reliable.

Explanation:

There are Primary and Secondary sources in Historical Research. These sources serve to be an interesting indication to receive information about the rich past. Students are much attracted to the primary evidences of the historical past.

Primary sources are the evidences which are the words originally uttered or a book which is written by historians narrating the past

Secondary sources are typically conclusions and findings of someone who had researched the primary evidences. It includes many research papers of the famous historians.

a variant spelling of the word dote (british)

the british they shot them