The First Major Transportation Project in the United States, Which

question 28

Multiple Choice

The first major transportation project in the United States, which ran sixty-two miles and was completed in the 1790s, that proved to be a stimulus for western economic developments was the  

• A) Baltimore and Ohio Railroad.
• B) National (Cumberland) Road.
• C) Erie Canal.
• D) St. Lawrence Seaway.
• E) Lancaster Turnpike.

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Definitions:

Ectoderm

The outermost cell layer of the newly formed embryo from which the skin and nervous system develop.

Endoderm

The inner layer of the embryo from which the lungs and digestive system develop.

Mesoderm

The central layer of the embryo from which the bones and muscles develop.

Neural Tube

A hollowed-out area in the blastocyst from which the nervous system develops.