Which of the following established the federal court system, including circuits and appellate courts?

a. article iii of the u. s. constitution
b. article ii of the u. s. constitution
c. the judiciary act of 1789
d. the judiciary act of 1987

the british army and british colonist were by iroquois indians.

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: