4. Why did people
learning crafts
improve the
village's
economy?

it helped improve the economy by letting other people know how to make the craft too.

Explanation: if someone knows how to weave a basket and taught

another person then they now know how to do it too.

b. germany and italy

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: