Which factor most directly motivated the Gentlemen's Agreement of 1907? O A. An interest in the establishment of overseas colonies
B. The desire to expand Open Door policies to Japan
C. The need to better regulate domestic industry
D. The commitment to reducing nativist agitation

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 correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

a stronger government