CATEGORY 1
CATEGORY 2
100

A machine for cleaning the seeds from cotton fibers, invented by Eli Whitney in 1793

What is the cotton gin?

100

Labor and production Model: all stages of textile production done under one roof, boardinghouse system, stringent codes controlling activities of factory-girls, Lowell Factory Girls; bad living conditions, long unruly hours.

What is the Lowell Factory System?

200

The major 19th century communication development.

What is the telegraph?

200

Exclusive rights over an invention; copyright; (v.) to arrange or obtain such rights; (adj.) plain, open to view; copyrighted

What is a patent?

300

A boat that moves by the power of a steam engine, made it easier and quicker to travel goods.

What is the steamboat?

300

An American foreign policy opposing interference in the Western hemisphere from outside powers like Europe

What is the Monroe Doctrine?

400

An artificial waterway constructed to allow the passage of boats or ships inland or to convey water for irrigation.

What is a canal?

400

Agreement in which Spain gave up all of Florida to the United States.

What is Adams-Onis Treaty?

500

A track or set of tracks made of steel rails along which passenger and freight trains run.

What is a railroad?