Select the two early european factors influencing the birth of the industrial revolution. the printing press the crusades plantations

The answer is:

The Industrial Revolution began in Great Britain in the 1870's, and involved the change from hand labor to machine production. It was influenced by Johann Gutenberg's invention of a printing system adapted from existing techniques, as well as by the Europe's interest in dismissing its isolation, which encouraged trade, travel and the coalescence of new concepts.

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:

independent innovation during the abbasid caliphate