What are 2 criticisms of the presidential primary system

Explanation:

The presence of superdelegates in the primary system -- delegates who possess ... criticism in 2008 for opting out of the presidential primaries to save $2 million.

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^

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: