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How have U.S. presidents attempted to reform the federal bureaucracy? Have they been successful?


Definitions:

Mesoderm

Middle of the three germ layers of an embryo.

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and circulatory and excretory systems.

Epiblast Cells

The cells in the early embryo that give rise to all of the body's tissues and organs during development.

Germ Layer

One of three layers in the embryo (ectoderm, endoderm, or mesoderm) from which the four primary tissue types arise.

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