How did national boundaries in europe change due to the treaty of
versailles?
o
a. nations merged together based on alliances in world war i.
o
b. nations were either joined or split depending on population size.
c. smaller nations formed along ethnic and cultural lines.
o
d. borders were redrawn so that all nations had equal access to
resources.
(apex)

C smaller cultures formed along ethnic and cultural lines because im ww1 Germany lost almost 25,000 miles of land

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:

c.) the country needed a stronger central government.