Which of the following best describes the first two years of the American Revolution? A) string of Continental army victories made the end of the war seem close.
B) The Continental army experienced an equal number of victories and defeats.
C) A string of Continental army defeats was reversed when Washington retired.
D) The Continental army faced defeat nearly every time they fought the British.

The Continental army experienced an equal number of victories and defeats.

Explanation: during the american revolution, the continental army had experianced an equal number of victories and defeats, they weren't always the ones to win

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:

by improved communication.