The area of northern Iran, northwest Iraq, northern Syria, and eastern Turkey where most of the people speak the same language is known as .

Cyprus
Israel
Kurdistan
Persia

The area of northern Iran, northwest Iraq, northern Syria, and eastern Turkey where most of the people speak the same language is known as "Kurdistan".

Option C

Explanation:

Kurdistan is an approximately established traditional geo-cultural region in which the Kurdish people make up an dominant population and their culture, languages and their national identity have traditionally been centered.

Kurdistan largely includes the mountains of the eastern Taurus and the northwest Zagros. Modern use of term relates to the following parts of the states:

honeslty bro its the same thing

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: