What qualifications did truman have for the presidency?In what ways did he feel challenged by the job? ​

Due to the death of President Franklin D. Roosevelt, Truman was thrust into the presidency virtually overnight and had to begin making difficult decisions. Truman faced decisions about ending World War II, desegregating the military, the spread of Communism, and many other issues at home and internationally.

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:

the answers are a b and d