Who is the leader of a party's national committee?
the national chairperson
the vice president
the president

B. The National Chairperson

Explanation:

The correct answer is the national chairperson .

Explanation:

The national chairman is the person in charge of leading the organization of a political party and organizing strategies before the elections.

He is also in charge of conducting organized meetings in front of committees and assemblies, and placing himself in front of them.

Keeping the order of these assemblies will mean giving the floor to whoever asks for it, in an orderly manner, organizing the schedules and agendas, enforcing the group's rules, etc.

The behavior of this person must be appropriate for his position, otherwise he may receive penalties.

Given this information, we can say that the correct answer is The national chairman.

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: