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GRANT SCHOOL
1425 Washington Place, San Diego, CA 92103-1792
Offi ce
: 619
-860
-
5500 Fax: 619-297-8404
Dave P. Martocchio
InstructorDave@me.com
InstructorDave.org
Mobile: 858-354-9417
Vocabulary — Week 21
Communication
The sending and receiving of information.
Monopoly
The complete control of a product or service.
Stagecoach
An enclosed wagon pulled by a team of horses.
Coerce
To bring about by force or threat.
Telegraph
A machine that uses electricity to send messages over
wires.
Blockade
To use warships to prevent other ships from entering or
leaving a harbor.
Transcontinental
Railroad
A railroad that crosses the North American continent,
linking the Atlantic and Pacifi c coasts.
Quarter
To provide or pay for housing.
Invest
To buy something in the hope that it will be worth more
in the future.
Congress
A formal meeting of government representatives who
have the authority to make laws.
Pony Express
A system of carrying mail between Missouri and
California.
Petition
A signed request made to an offi cial person or
organization.
Overland Mail Act
An 1857 act passed by the U.S. Congress that called for
mail to be carried by stagecoach in an enclosed wagon
pulled by a team of horses between the Mississippi River
and San Francisco.
Minutemen
A member of the Massachusetts colony militia who could
quickly be ready to fi ght the British.
Way Station
Stopping, resting, and repair places along the Overland
Mail Route.
Revolution
A sudden, great change, such a as the overthrow of an
established government.
Electricity
A form of energy from electrons or protons.
Commander in Chief
A person who is in control of all the armed forces of a
nation.
Morse Code
A system that uses various combinations of short and
long pulses of electricity that represented letters to send
messages over long distances.
Earthwork
A wall made of dirt or stone.
4th Grade - Social Studies Unit 4 Chapter 7, Lessons 1 & 2.
5th Grade - Social Studies Unit 4, Chapter 8, Lessons 3 & 4.
