(select all that apply)the growing power of the soviet union and communism influenced u. s. policies after world war ii. which are accurate statements regarding this?
a.
the united states began to deny citizenship to all immigrants from the soviet union.
b.
the united states began to build up its military and to stockpile weapons.
c.
the united states persecuted u. s. citizens.
d.
the united states amended the constitution to make communism illegal.

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:

the 9th amendment

explanation: