What was a characteristic of American companies in the 1920s? HINT: It's not D. A. They encouraged foreign companies to set up factories in the United States.
B. They were motivated and eager to enter foreign markets.
C. They were profitable despite unfavorable government policies.
D. They engaged in welfare capitalism to encourage employees to socialize.

B is the answer

can you tell me what is it

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: