What is the most appropriate definition for the word "contemporaries" in the given sentence, considering that the Latin word con– means "together" and tempus means "time"?
"President Lincoln was not always fully supported by his contemporaries with issues regarding the Civil War."
a. Historians from today that do not agree with Lincoln
b. Other presidents of the USA
c. People that live in the capital of the USA- Washington D.C.
d. People who lived during the same time an Lincoln