Which answers describe the shape below? Check all that apply. 5
7
8
U
A. Square
B. Parallelogram
C. Rhombus
O D. Rectangle
E. Quadrilateral
O F. Trapezoid

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:

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

the manhattan project's indispensable man

your answer would be a) no nation can be economically self-sufficient.

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